1230907979 has 16 divisors (see below), whose sum is σ = 1481779200. Its totient is φ = 1021020840.

The previous prime is 1230907963. The next prime is 1230908009. The reversal of 1230907979 is 9797090321.

It is not a de Polignac number, because 1230907979 - 2⁴ = 1230907963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230907919) 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, 47249 + ... + 68514.

It is an arithmetic number, because the mean of its divisors is an integer number (92611200).

Almost surely, 2^1230907979 is an apocalyptic number.

1230907979 is a deficient number, since it is larger than the sum of its proper divisors (250871221).

1230907979 is an equidigital number, since it uses as much as digits as its factorization.

1230907979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115815 (or 115801 counting only the distinct ones).

The product of its (nonzero) digits is 214326, while the sum is 47.

The square root of 1230907979 is about 35084.2981830904. The cubic root of 1230907979 is about 1071.7048487931.

The spelling of 1230907979 in words is "one billion, two hundred thirty million, nine hundred seven thousand, nine hundred seventy-nine".