103210979 has 2 divisors, whose sum is σ = 103210980. Its totient is φ = 103210978.

The previous prime is 103210973. The next prime is 103210999. The reversal of 103210979 is 979012301.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (979012301) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103210979 is a prime.

It is a super-2 number, since 2×103210979² = 21305012372276882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103210973) 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, 51605489 + 51605490.

It is an arithmetic number, because the mean of its divisors is an integer number (51605490).

Almost surely, 2^103210979 is an apocalyptic number.

103210979 is a deficient number, since it is larger than the sum of its proper divisors (1).

103210979 is an equidigital number, since it uses as much as digits as its factorization.

103210979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 103210979 is about 10159.2804371176. The cubic root of 103210979 is about 469.0746528677.

The spelling of 103210979 in words is "one hundred three million, two hundred ten thousand, nine hundred seventy-nine".