121034279 has 2 divisors, whose sum is σ = 121034280. Its totient is φ = 121034278.

The previous prime is 121034273. The next prime is 121034327. The reversal of 121034279 is 972430121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 121034279 - 2¹² = 121030183 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (121034273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60517139 + 60517140.

It is an arithmetic number, because the mean of its divisors is an integer number (60517140).

Almost surely, 2^121034279 is an apocalyptic number.

121034279 is a deficient number, since it is larger than the sum of its proper divisors (1).

121034279 is an equidigital number, since it uses as much as digits as its factorization.

121034279 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 121034279 is about 11001.5580260252. The cubic root of 121034279 is about 494.6554470585.

The spelling of 121034279 in words is "one hundred twenty-one million, thirty-four thousand, two hundred seventy-nine".