1225255132 has 6 divisors (see below), whose sum is σ = 2144196488. Its totient is φ = 612627564.

The previous prime is 1225255123. The next prime is 1225255151. The reversal of 1225255132 is 2315525221.

It is a self number, because there is not a number n which added to its sum of digits gives 1225255132.

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, 153156888 + ... + 153156895.

Almost surely, 2^1225255132 is an apocalyptic number.

It is an amenable number.

1225255132 is a deficient number, since it is larger than the sum of its proper divisors (918941356).

1225255132 is a wasteful number, since it uses less digits than its factorization.

1225255132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306313787 (or 306313785 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 1225255132 is about 35003.6445531033. The cubic root of 1225255132 is about 1070.0617578702.

The spelling of 1225255132 in words is "one billion, two hundred twenty-five million, two hundred fifty-five thousand, one hundred thirty-two".