1255220937 has 12 divisors (see below), whose sum is σ = 1816888320. Its totient is φ = 835064088.

The previous prime is 1255220927. The next prime is 1255220951. The reversal of 1255220937 is 7390225521.

1255220937 is a `hidden beast` number, since 12 + 552 + 2 + 0 + 93 + 7 = 666.

It is not a de Polignac number, because 1255220937 - 2¹⁰ = 1255219913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1255220927) 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, 141273 + ... + 149894.

It is an arithmetic number, because the mean of its divisors is an integer number (151407360).

Almost surely, 2^1255220937 is an apocalyptic number.

It is an amenable number.

1255220937 is a deficient number, since it is larger than the sum of its proper divisors (561667383).

1255220937 is a wasteful number, since it uses less digits than its factorization.

1255220937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291652 (or 291649 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 1255220937 is about 35429.0973212697. The cubic root of 1255220937 is about 1078.7150175179.

It can be divided in two parts, 12552 and 20937, that added together give a square (33489 = 183²).

The spelling of 1255220937 in words is "one billion, two hundred fifty-five million, two hundred twenty thousand, nine hundred thirty-seven".