1200112431 has 16 divisors (see below), whose sum is σ = 1846500864. Its totient is φ = 679119264.

The previous prime is 1200112373. The next prime is 1200112483. The reversal of 1200112431 is 1342110021.

It is not a de Polignac number, because 1200112431 - 2⁶ = 1200112367 is a prime.

It is a super-2 number, since 2×1200112431² = 2880539694081459522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1200112431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200112831) 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, 275256 + ... + 279581.

It is an arithmetic number, because the mean of its divisors is an integer number (115406304).

Almost surely, 2^1200112431 is an apocalyptic number.

1200112431 is a deficient number, since it is larger than the sum of its proper divisors (646388433).

1200112431 is a wasteful number, since it uses less digits than its factorization.

1200112431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554950.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1200112431 is about 34642.6389150711. The cubic root of 1200112431 is about 1062.6917558588.

Adding to 1200112431 its reverse (1342110021), we get a palindrome (2542222452).

The spelling of 1200112431 in words is "one billion, two hundred million, one hundred twelve thousand, four hundred thirty-one".