1401512112 has 480 divisors, whose sum is σ = 5509647360. Its totient is φ = 335301120.

The previous prime is 1401512089. The next prime is 1401512117. The reversal of 1401512112 is 2112151041.

1401512112 is a `hidden beast` number, since 1 + 40 + 1 + 512 + 112 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1401512117) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3026793 + ... + 3027255.

It is an arithmetic number, because the mean of its divisors is an integer number (11478432).

Almost surely, 2^1401512112 is an apocalyptic number.

1401512112 is a gapful number since it is divisible by the number (12) 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 1401512112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2754823680).

1401512112 is an abundant number, since it is smaller than the sum of its proper divisors (4108135248).

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

1401512112 is a wasteful number, since it uses less digits than its factorization.

1401512112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 518 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 1401512112 is about 37436.7748610908. The cubic root of 1401512112 is about 1119.0915550156.

Adding to 1401512112 its reverse (2112151041), we get a palindrome (3513663153).

The spelling of 1401512112 in words is "one billion, four hundred one million, five hundred twelve thousand, one hundred twelve".