1048756865 has 32 divisors (see below), whose sum is σ = 1378944000. Its totient is φ = 761080320.

The previous prime is 1048756861. The next prime is 1048756867. The reversal of 1048756865 is 5686578401.

It is not a de Polignac number, because 1048756865 - 2² = 1048756861 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1048756861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1150760 + ... + 1151670.

It is an arithmetic number, because the mean of its divisors is an integer number (43092000).

Almost surely, 2^1048756865 is an apocalyptic number.

It is an amenable number.

1048756865 is a deficient number, since it is larger than the sum of its proper divisors (330187135).

1048756865 is a wasteful number, since it uses less digits than its factorization.

1048756865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217.

The product of its (nonzero) digits is 1612800, while the sum is 50.

The square root of 1048756865 is about 32384.5158216083. The cubic root of 1048756865 is about 1015.9950816226.

The spelling of 1048756865 in words is "one billion, forty-eight million, seven hundred fifty-six thousand, eight hundred sixty-five".