103121120279 has 2 divisors, whose sum is σ = 103121120280. Its totient is φ = 103121120278.

The previous prime is 103121120273. The next prime is 103121120299. The reversal of 103121120279 is 972021121301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 103121120279 - 2⁸ = 103121120023 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103121120273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51560560139 + 51560560140.

It is an arithmetic number, because the mean of its divisors is an integer number (51560560140).

Almost surely, 2^103121120279 is an apocalyptic number.

103121120279 is a deficient number, since it is larger than the sum of its proper divisors (1).

103121120279 is an equidigital number, since it uses as much as digits as its factorization.

103121120279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 29.

The spelling of 103121120279 in words is "one hundred three billion, one hundred twenty-one million, one hundred twenty thousand, two hundred seventy-nine".