1042452665 has 16 divisors (see below), whose sum is σ = 1344304512. Its totient is φ = 773186304.

The previous prime is 1042452623. The next prime is 1042452673. The reversal of 1042452665 is 5662542401.

It is a cyclic number.

It is not a de Polignac number, because 1042452665 - 2⁸ = 1042452409 is a prime.

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, 85829 + ... + 97218.

It is an arithmetic number, because the mean of its divisors is an integer number (84019032).

Almost surely, 2^1042452665 is an apocalyptic number.

It is an amenable number.

1042452665 is a deficient number, since it is larger than the sum of its proper divisors (301851847).

1042452665 is a wasteful number, since it uses less digits than its factorization.

1042452665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183136.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 1042452665 is about 32287.0355560866. The cubic root of 1042452665 is about 1013.9552338607.

The spelling of 1042452665 in words is "one billion, forty-two million, four hundred fifty-two thousand, six hundred sixty-five".