1042155512 has 16 divisors (see below), whose sum is σ = 1957965000. Its totient is φ = 520031520.

The previous prime is 1042155509. The next prime is 1042155533. The reversal of 1042155512 is 2155512401.

It is a super-2 number, since 2×1042155512² = 2172176222383964288, which contains 22 as substring.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126539 + ... + 134522.

Almost surely, 2^1042155512 is an apocalyptic number.

It is an amenable number.

1042155512 is a deficient number, since it is larger than the sum of its proper divisors (915809488).

1042155512 is a wasteful number, since it uses less digits than its factorization.

1042155512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261566 (or 261562 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1042155512 is about 32282.4334894382. The cubic root of 1042155512 is about 1013.8588814529.

Adding to 1042155512 its reverse (2155512401), we get a palindrome (3197667913).

The spelling of 1042155512 in words is "one billion, forty-two million, one hundred fifty-five thousand, five hundred twelve".