1051005042 has 24 divisors (see below), whose sum is σ = 2411129916. Its totient is φ = 329726976.

The previous prime is 1051005041. The next prime is 1051005049. The reversal of 1051005042 is 2405001501.

It can be written as a sum of positive squares in 2 ways, for example, as 1040643081 + 10361961 = 32259^2 + 3219^2 .

It is a super-2 number, since 2×1051005042² = 2209223196618843528, which contains 22 as substring.

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 (1051005041) 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, 1717023 + ... + 1717634.

Almost surely, 2^1051005042 is an apocalyptic number.

1051005042 is an abundant number, since it is smaller than the sum of its proper divisors (1360124874).

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

1051005042 is a wasteful number, since it uses less digits than its factorization.

1051005042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3434682 (or 3434679 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1051005042 is about 32419.2079175294. The cubic root of 1051005042 is about 1016.7205457904.

Adding to 1051005042 its reverse (2405001501), we get a palindrome (3456006543).

The spelling of 1051005042 in words is "one billion, fifty-one million, five thousand, forty-two".