1220937625 has 16 divisors (see below), whose sum is σ = 1603929600. Its totient is φ = 925340400.

The previous prime is 1220937623. The next prime is 1220937703. The reversal of 1220937625 is 5267390221.

It is not a de Polignac number, because 1220937625 - 2¹ = 1220937623 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220937623) 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, 254665 + ... + 259414.

It is an arithmetic number, because the mean of its divisors is an integer number (100245600).

Almost surely, 2^1220937625 is an apocalyptic number.

It is an amenable number.

1220937625 is a deficient number, since it is larger than the sum of its proper divisors (382991975).

1220937625 is an equidigital number, since it uses as much as digits as its factorization.

1220937625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514113 (or 514103 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 1220937625 is about 34941.9178781017. The cubic root of 1220937625 is about 1068.8033978085.

The spelling of 1220937625 in words is "one billion, two hundred twenty million, nine hundred thirty-seven thousand, six hundred twenty-five".