1225370056 has 16 divisors (see below), whose sum is σ = 2336511600. Its totient is φ = 602300304.

The previous prime is 1225370039. The next prime is 1225370071. The reversal of 1225370056 is 6500735221.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1297590 + ... + 1298533.

It is an arithmetic number, because the mean of its divisors is an integer number (146031975).

Almost surely, 2^1225370056 is an apocalyptic number.

It is an amenable number.

1225370056 is a deficient number, since it is larger than the sum of its proper divisors (1111141544).

1225370056 is a wasteful number, since it uses less digits than its factorization.

1225370056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2596188 (or 2596184 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 1225370056 is about 35005.2861150998. The cubic root of 1225370056 is about 1070.0952126529.

The spelling of 1225370056 in words is "one billion, two hundred twenty-five million, three hundred seventy thousand, fifty-six".