1214625939 has 16 divisors (see below), whose sum is σ = 1706006400. Its totient is φ = 766561536.

The previous prime is 1214625917. The next prime is 1214625983. The reversal of 1214625939 is 9395264121.

It is not a de Polignac number, because 1214625939 - 2²⁰ = 1213577363 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1214625939.

It is not an unprimeable number, because it can be changed into a prime (1214625439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77347 + ... + 91715.

It is an arithmetic number, because the mean of its divisors is an integer number (106625400).

Almost surely, 2^1214625939 is an apocalyptic number.

1214625939 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1214625939 is a deficient number, since it is larger than the sum of its proper divisors (491380461).

1214625939 is a wasteful number, since it uses less digits than its factorization.

1214625939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15874.

The product of its digits is 116640, while the sum is 42.

The square root of 1214625939 is about 34851.4840286608. The cubic root of 1214625939 is about 1066.9584743405.

The spelling of 1214625939 in words is "one billion, two hundred fourteen million, six hundred twenty-five thousand, nine hundred thirty-nine".