1051512042 has 32 divisors (see below), whose sum is σ = 2444198400. Its totient is φ = 295339248.

The previous prime is 1051512031. The next prime is 1051512113. The reversal of 1051512042 is 2402151501.

It is a super-2 number, since 2×1051512042² = 2211355148942019528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209692 + ... + 214647.

It is an arithmetic number, because the mean of its divisors is an integer number (76381200).

Almost surely, 2^1051512042 is an apocalyptic number.

1051512042 is an abundant number, since it is smaller than the sum of its proper divisors (1392686358).

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

1051512042 is a wasteful number, since it uses less digits than its factorization.

1051512042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424410.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 1051512042 is about 32427.0264131634. The cubic root of 1051512042 is about 1016.8840066145.

Adding to 1051512042 its reverse (2402151501), we get a palindrome (3453663543).

The spelling of 1051512042 in words is "one billion, fifty-one million, five hundred twelve thousand, forty-two".