102979229 has 2 divisors, whose sum is σ = 102979230. Its totient is φ = 102979228.

The previous prime is 102979207. The next prime is 102979267. The reversal of 102979229 is 922979201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 102475129 + 504100 = 10123^2 + 710^2 .

It is a cyclic number.

It is not a de Polignac number, because 102979229 - 2¹⁶ = 102913693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102939229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51489614 + 51489615.

It is an arithmetic number, because the mean of its divisors is an integer number (51489615).

Almost surely, 2^102979229 is an apocalyptic number.

It is an amenable number.

102979229 is a deficient number, since it is larger than the sum of its proper divisors (1).

102979229 is an equidigital number, since it uses as much as digits as its factorization.

102979229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 41.

The square root of 102979229 is about 10147.8681997748. The cubic root of 102979229 is about 468.7233029180.

The spelling of 102979229 in words is "one hundred two million, nine hundred seventy-nine thousand, two hundred twenty-nine".