122615377123 has 2 divisors, whose sum is σ = 122615377124. Its totient is φ = 122615377122.

The previous prime is 122615377111. The next prime is 122615377151. The reversal of 122615377123 is 321773516221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 122615377123 - 2¹⁷ = 122615246051 is a prime.

It is not a weakly prime, because it can be changed into another prime (122615377103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61307688561 + 61307688562.

It is an arithmetic number, because the mean of its divisors is an integer number (61307688562).

Almost surely, 2^122615377123 is an apocalyptic number.

122615377123 is a deficient number, since it is larger than the sum of its proper divisors (1).

122615377123 is an equidigital number, since it uses as much as digits as its factorization.

122615377123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105840, while the sum is 40.

The spelling of 122615377123 in words is "one hundred twenty-two billion, six hundred fifteen million, three hundred seventy-seven thousand, one hundred twenty-three".