122121079 has 2 divisors, whose sum is σ = 122121080. Its totient is φ = 122121078.

The previous prime is 122121061. The next prime is 122121089. The reversal of 122121079 is 970121221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122121079 - 2¹¹ = 122119031 is a prime.

It is a super-2 number, since 2×122121079² = 29827115872248482, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122121089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61060539 + 61060540.

It is an arithmetic number, because the mean of its divisors is an integer number (61060540).

Almost surely, 2^122121079 is an apocalyptic number.

122121079 is a deficient number, since it is larger than the sum of its proper divisors (1).

122121079 is an equidigital number, since it uses as much as digits as its factorization.

122121079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 122121079 is about 11050.8406467562. The cubic root of 122121079 is about 496.1315866081.

The spelling of 122121079 in words is "one hundred twenty-two million, one hundred twenty-one thousand, seventy-nine".