1272075604 has 12 divisors (see below), whose sum is σ = 2302895700. Its totient is φ = 614105408.

The previous prime is 1272075583. The next prime is 1272075703. The reversal of 1272075604 is 4065702721.

It can be written as a sum of positive squares in 2 ways, for example, as 205922500 + 1066153104 = 14350^2 + 32652^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1272075604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5482969 + ... + 5483200.

It is an arithmetic number, because the mean of its divisors is an integer number (191907975).

Almost surely, 2^1272075604 is an apocalyptic number.

It is an amenable number.

1272075604 is a deficient number, since it is larger than the sum of its proper divisors (1030820096).

1272075604 is a wasteful number, since it uses less digits than its factorization.

1272075604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10966202 (or 10966200 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 1272075604 is about 35666.1688999534. The cubic root of 1272075604 is about 1083.5217692779.

The spelling of 1272075604 in words is "one billion, two hundred seventy-two million, seventy-five thousand, six hundred four".