1401201024 has 64 divisors (see below), whose sum is σ = 3732845040. Its totient is φ = 465698816.

The previous prime is 1401201007. The next prime is 1401201029. The reversal of 1401201024 is 4201021041.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 1401200994 and 1401201012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401201029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130384 + ... + 140720.

Almost surely, 2^1401201024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1401201024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1866422520).

1401201024 is an abundant number, since it is smaller than the sum of its proper divisors (2331644016).

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

1401201024 is a wasteful number, since it uses less digits than its factorization.

1401201024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10707 (or 10695 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1401201024 is about 37432.6197854224. The cubic root of 1401201024 is about 1119.0087488065.

Adding to 1401201024 its reverse (4201021041), we get a palindrome (5602222065).

The spelling of 1401201024 in words is "one billion, four hundred one million, two hundred one thousand, twenty-four".