1227256475 has 12 divisors (see below), whose sum is σ = 1525783296. Its totient is φ = 979234080.

The previous prime is 1227256453. The next prime is 1227256477. The reversal of 1227256475 is 5746527221.

1227256475 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1227256475 - 2²² = 1223062171 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1227256477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54512 + ... + 73661.

It is an arithmetic number, because the mean of its divisors is an integer number (127148608).

Almost surely, 2^1227256475 is an apocalyptic number.

1227256475 is a deficient number, since it is larger than the sum of its proper divisors (298526821).

1227256475 is a wasteful number, since it uses less digits than its factorization.

1227256475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128566 (or 128561 counting only the distinct ones).

The product of its digits is 235200, while the sum is 41.

The square root of 1227256475 is about 35032.2205262527. The cubic root of 1227256475 is about 1070.6440571793.

The spelling of 1227256475 in words is "one billion, two hundred twenty-seven million, two hundred fifty-six thousand, four hundred seventy-five".