102048979 has 2 divisors, whose sum is σ = 102048980. Its totient is φ = 102048978.

The previous prime is 102048967. The next prime is 102049033. The reversal of 102048979 is 979840201.

It is a weak prime.

It is an emirp because it is prime and its reverse (979840201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102048979 - 2⁷ = 102048851 is a prime.

It is a super-2 number, since 2×102048979² = 20827988229884882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102048929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51024489 + 51024490.

It is an arithmetic number, because the mean of its divisors is an integer number (51024490).

Almost surely, 2^102048979 is an apocalyptic number.

102048979 is a deficient number, since it is larger than the sum of its proper divisors (1).

102048979 is an equidigital number, since it uses as much as digits as its factorization.

102048979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 102048979 is about 10101.9294691658. The cubic root of 102048979 is about 467.3076471391.

The spelling of 102048979 in words is "one hundred two million, forty-eight thousand, nine hundred seventy-nine".