1272263504 has 10 divisors (see below), whose sum is σ = 2465010570. Its totient is φ = 636131744.

The previous prime is 1272263449. The next prime is 1272263513. The reversal of 1272263504 is 4053622721.

It can be written as a sum of positive squares in only one way, i.e., 1122250000 + 150013504 = 33500^2 + 12248^2 .

It is a super-2 number, since 2×1272263504² = 3237308847220716032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39758219 + ... + 39758250.

It is an arithmetic number, because the mean of its divisors is an integer number (246501057).

Almost surely, 2^1272263504 is an apocalyptic number.

It is an amenable number.

1272263504 is a deficient number, since it is larger than the sum of its proper divisors (1192747066).

1272263504 is an equidigital number, since it uses as much as digits as its factorization.

1272263504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79516477 (or 79516471 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 1272263504 is about 35668.8029515990. The cubic root of 1272263504 is about 1083.5751161378.

The spelling of 1272263504 in words is "one billion, two hundred seventy-two million, two hundred sixty-three thousand, five hundred four".