1401014720 has 112 divisors (see below), whose sum is σ = 3885029568. Its totient is φ = 471244800.

The previous prime is 1401014711. The next prime is 1401014729. The reversal of 1401014720 is 274101041.

It is an interprime number because it is at equal distance from previous prime (1401014711) and next prime (1401014729).

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1401014692 and 1401014701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401014729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112820 + ... + 124620.

It is an arithmetic number, because the mean of its divisors is an integer number (34687764).

Almost surely, 2^1401014720 is an apocalyptic number.

1401014720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1401014720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1942514784).

1401014720 is an abundant number, since it is smaller than the sum of its proper divisors (2484014848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1401014720 is a wasteful number, since it uses less digits than its factorization.

1401014720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11878 (or 11868 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 1401014720 is about 37430.1311779694. The cubic root of 1401014720 is about 1118.9591520576.

Adding to 1401014720 its reverse (274101041), we get a palindrome (1675115761).

The spelling of 1401014720 in words is "one billion, four hundred one million, fourteen thousand, seven hundred twenty".