1315225912 has 64 divisors (see below), whose sum is σ = 3311078400. Its totient is φ = 473005440.

The previous prime is 1315225903. The next prime is 1315225913. The reversal of 1315225912 is 2195225131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315225913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74112 + ... + 90127.

It is an arithmetic number, because the mean of its divisors is an integer number (51735600).

Almost surely, 2^1315225912 is an apocalyptic number.

It is an amenable number.

1315225912 is an abundant number, since it is smaller than the sum of its proper divisors (1995852488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1315225912 is a wasteful number, since it uses less digits than its factorization.

1315225912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164276 (or 164272 counting only the distinct ones).

The product of its digits is 5400, while the sum is 31.

The square root of 1315225912 is about 36266.0435118032. The cubic root of 1315225912 is about 1095.6372407532.

The spelling of 1315225912 in words is "one billion, three hundred fifteen million, two hundred twenty-five thousand, nine hundred twelve".