1204101979 has 2 divisors, whose sum is σ = 1204101980. Its totient is φ = 1204101978.

The previous prime is 1204101973. The next prime is 1204102037. The reversal of 1204101979 is 9791014021.

It is a weak prime.

It is an emirp because it is prime and its reverse (9791014021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1204101979 - 2²³ = 1195713371 is a prime.

It is not a weakly prime, because it can be changed into another prime (1204101973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 602050989 + 602050990.

It is an arithmetic number, because the mean of its divisors is an integer number (602050990).

Almost surely, 2^1204101979 is an apocalyptic number.

1204101979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1204101979 is an equidigital number, since it uses as much as digits as its factorization.

1204101979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 1204101979 is about 34700.1726076399. The cubic root of 1204101979 is about 1063.8680263297.

The spelling of 1204101979 in words is "one billion, two hundred four million, one hundred one thousand, nine hundred seventy-nine".