101148979 has 2 divisors, whose sum is σ = 101148980. Its totient is φ = 101148978.

The previous prime is 101148961. The next prime is 101148991. The reversal of 101148979 is 979841101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 101148979 - 2¹⁷ = 101017907 is a prime.

It is a super-2 number, since 2×101148979² = 20462231905484882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (101148959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50574489 + 50574490.

It is an arithmetic number, because the mean of its divisors is an integer number (50574490).

Almost surely, 2^101148979 is an apocalyptic number.

101148979 is a deficient number, since it is larger than the sum of its proper divisors (1).

101148979 is an equidigital number, since it uses as much as digits as its factorization.

101148979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 40.

The square root of 101148979 is about 10057.2848721710. The cubic root of 101148979 is about 465.9298140718.

The spelling of 101148979 in words is "one hundred one million, one hundred forty-eight thousand, nine hundred seventy-nine".