1202119979 has 2 divisors, whose sum is σ = 1202119980. Its totient is φ = 1202119978.

The previous prime is 1202119969. The next prime is 1202119991. The reversal of 1202119979 is 9799112021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1202119979 - 2¹⁶ = 1202054443 is a prime.

It is not a weakly prime, because it can be changed into another prime (1202119969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 601059989 + 601059990.

It is an arithmetic number, because the mean of its divisors is an integer number (601059990).

Almost surely, 2^1202119979 is an apocalyptic number.

1202119979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202119979 is an equidigital number, since it uses as much as digits as its factorization.

1202119979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 41.

The square root of 1202119979 is about 34671.6019099205. The cubic root of 1202119979 is about 1063.2839826569.

The spelling of 1202119979 in words is "one billion, two hundred two million, one hundred nineteen thousand, nine hundred seventy-nine".