1042425631 has 12 divisors (see below), whose sum is σ = 1136283600. Its totient is φ = 955843200.

The previous prime is 1042425607. The next prime is 1042425641. The reversal of 1042425631 is 1365242401.

It is not a de Polignac number, because 1042425631 - 2⁵ = 1042425599 is a prime.

It is a super-2 number, since 2×1042425631² = 2173302392331496322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1042425631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042425641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5095 + ... + 45943.

It is an arithmetic number, because the mean of its divisors is an integer number (94690300).

Almost surely, 2^1042425631 is an apocalyptic number.

1042425631 is a deficient number, since it is larger than the sum of its proper divisors (93857969).

1042425631 is a wasteful number, since it uses less digits than its factorization.

1042425631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41026 (or 41013 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1042425631 is about 32286.6169023637. The cubic root of 1042425631 is about 1013.9464687936.

The spelling of 1042425631 in words is "one billion, forty-two million, four hundred twenty-five thousand, six hundred thirty-one".