1272485404 has 12 divisors (see below), whose sum is σ = 2344052200. Its totient is φ = 602756208.

The previous prime is 1272485387. The next prime is 1272485407. The reversal of 1272485404 is 4045842721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1272485407) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8371539 + ... + 8371690.

Almost surely, 2^1272485404 is an apocalyptic number.

It is an amenable number.

1272485404 is a deficient number, since it is larger than the sum of its proper divisors (1071566796).

1272485404 is a wasteful number, since it uses less digits than its factorization.

1272485404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16743252 (or 16743250 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 37.

The square root of 1272485404 is about 35671.9133773337. The cubic root of 1272485404 is about 1083.6381092048.

The spelling of 1272485404 in words is "one billion, two hundred seventy-two million, four hundred eighty-five thousand, four hundred four".