105133979 has 2 divisors, whose sum is σ = 105133980. Its totient is φ = 105133978.

The previous prime is 105133939. The next prime is 105133981. The reversal of 105133979 is 979331501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105133979 - 2⁸ = 105133723 is a prime.

It is a super-2 number, since 2×105133979² = 22106307080744882, which contains 22 as substring.

Together with 105133981, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (105133939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52566989 + 52566990.

It is an arithmetic number, because the mean of its divisors is an integer number (52566990).

Almost surely, 2^105133979 is an apocalyptic number.

105133979 is a deficient number, since it is larger than the sum of its proper divisors (1).

105133979 is an equidigital number, since it uses as much as digits as its factorization.

105133979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25515, while the sum is 38.

The square root of 105133979 is about 10253.4861876339. The cubic root of 105133979 is about 471.9699704993.

The spelling of 105133979 in words is "one hundred five million, one hundred thirty-three thousand, nine hundred seventy-nine".