122864113 has 2 divisors, whose sum is σ = 122864114. Its totient is φ = 122864112.

The previous prime is 122864107. The next prime is 122864171. The reversal of 122864113 is 311468221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 122146704 + 717409 = 11052^2 + 847^2 .

It is a cyclic number.

It is not a de Polignac number, because 122864113 - 2¹³ = 122855921 is a prime.

It is not a weakly prime, because it can be changed into another prime (122864813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61432056 + 61432057.

It is an arithmetic number, because the mean of its divisors is an integer number (61432057).

Almost surely, 2^122864113 is an apocalyptic number.

It is an amenable number.

122864113 is a deficient number, since it is larger than the sum of its proper divisors (1).

122864113 is an equidigital number, since it uses as much as digits as its factorization.

122864113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 28.

The square root of 122864113 is about 11084.4085543614. The cubic root of 122864113 is about 497.1357744203.

It can be divided in two parts, 1228 and 64113, that added together give a triangular number (65341 = T₃₆₁).

The spelling of 122864113 in words is "one hundred twenty-two million, eight hundred sixty-four thousand, one hundred thirteen".