1227953125 has 56 divisors (see below), whose sum is σ = 1787477120. Its totient is φ = 826200000.

The previous prime is 1227953099. The next prime is 1227953137. The reversal of 1227953125 is 5213597221.

It is a happy number.

It is not a de Polignac number, because 1227953125 - 2⁵ = 1227953093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 11265571 + ... + 11265679.

Almost surely, 2^1227953125 is an apocalyptic number.

It is an amenable number.

1227953125 is a deficient number, since it is larger than the sum of its proper divisors (559523995).

1227953125 is an frugal number, since it uses more digits than its factorization.

1227953125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249 (or 224 counting only the distinct ones).

The product of its digits is 37800, while the sum is 37.

The square root of 1227953125 is about 35042.1621050985. The cubic root of 1227953125 is about 1070.8466019374.

The spelling of 1227953125 in words is "one billion, two hundred twenty-seven million, nine hundred fifty-three thousand, one hundred twenty-five".