103203979 has 2 divisors, whose sum is σ = 103203980. Its totient is φ = 103203978.

The previous prime is 103203973. The next prime is 103204001. The reversal of 103203979 is 979302301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103203979 - 2⁷ = 103203851 is a prime.

It is a super-2 number, since 2×103203979² = 21302122562864882, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (103203973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51601989 + 51601990.

It is an arithmetic number, because the mean of its divisors is an integer number (51601990).

Almost surely, 2^103203979 is an apocalyptic number.

103203979 is a deficient number, since it is larger than the sum of its proper divisors (1).

103203979 is an equidigital number, since it uses as much as digits as its factorization.

103203979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 34.

The square root of 103203979 is about 10158.9359186875. The cubic root of 103203979 is about 469.0640480631.

The spelling of 103203979 in words is "one hundred three million, two hundred three thousand, nine hundred seventy-nine".