1045990724 has 12 divisors (see below), whose sum is σ = 1832869500. Its totient is φ = 522313728.

The previous prime is 1045990709. The next prime is 1045990727. The reversal of 1045990724 is 4270995401.

It can be written as a sum of positive squares in 2 ways, for example, as 448677124 + 597313600 = 21182^2 + 24440^2 .

It is not an unprimeable number, because it can be changed into a prime (1045990727) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166949 + ... + 173100.

It is an arithmetic number, because the mean of its divisors is an integer number (152739125).

Almost surely, 2^1045990724 is an apocalyptic number.

It is an amenable number.

1045990724 is a deficient number, since it is larger than the sum of its proper divisors (786878776).

1045990724 is a wasteful number, since it uses less digits than its factorization.

1045990724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340822 (or 340820 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 1045990724 is about 32341.7798520737. The cubic root of 1045990724 is about 1015.1010516813.

The spelling of 1045990724 in words is "one billion, forty-five million, nine hundred ninety thousand, seven hundred twenty-four".