1045256 has 8 divisors (see below), whose sum is σ = 1959870. Its totient is φ = 522624.

The previous prime is 1045241. The next prime is 1045273. The reversal of 1045256 is 6525401.

It can be written as a sum of positive squares in only one way, i.e., 828100 + 217156 = 910^2 + 466^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65321 + ... + 65336.

2^1045256 is an apocalyptic number.

It is an amenable number.

1045256 is a deficient number, since it is larger than the sum of its proper divisors (914614).

1045256 is a wasteful number, since it uses less digits than its factorization.

1045256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130663 (or 130659 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 1045256 is about 1022.3776210383. The cubic root of 1045256 is about 101.4863320510.

The spelling of 1045256 in words is "one million, forty-five thousand, two hundred fifty-six".