1045215112 has 8 divisors (see below), whose sum is σ = 1959778350. Its totient is φ = 522607552.

The previous prime is 1045215079. The next prime is 1045215167. The reversal of 1045215112 is 2115125401.

It can be written as a sum of positive squares in only one way, i.e., 607819716 + 437395396 = 24654^2 + 20914^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65325937 + ... + 65325952.

Almost surely, 2^1045215112 is an apocalyptic number.

It is an amenable number.

1045215112 is a deficient number, since it is larger than the sum of its proper divisors (914563238).

1045215112 is a wasteful number, since it uses less digits than its factorization.

1045215112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130651895 (or 130651891 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 1045215112 is about 32329.7867608186. The cubic root of 1045215112 is about 1014.8500873015.

The spelling of 1045215112 in words is "one billion, forty-five million, two hundred fifteen thousand, one hundred twelve".