1272453425 has 12 divisors (see below), whose sum is σ = 1578398976. Its totient is φ = 1017603600.

The previous prime is 1272453379. The next prime is 1272453433. The reversal of 1272453425 is 5243542721.

It is not a de Polignac number, because 1272453425 - 2⁶ = 1272453361 is a prime.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80960 + ... + 95390.

It is an arithmetic number, because the mean of its divisors is an integer number (131533248).

Almost surely, 2^1272453425 is an apocalyptic number.

It is an amenable number.

1272453425 is a deficient number, since it is larger than the sum of its proper divisors (305945551).

1272453425 is a wasteful number, since it uses less digits than its factorization.

1272453425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17968 (or 17963 counting only the distinct ones).

The product of its digits is 67200, while the sum is 35.

The square root of 1272453425 is about 35671.4651367168. The cubic root of 1272453425 is about 1083.6290314443.

The spelling of 1272453425 in words is "one billion, two hundred seventy-two million, four hundred fifty-three thousand, four hundred twenty-five".