122673157 has 2 divisors, whose sum is σ = 122673158. Its totient is φ = 122673156.

The previous prime is 122673143. The next prime is 122673179. The reversal of 122673157 is 751376221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65383396 + 57289761 = 8086^2 + 7569^2 .

It is a cyclic number.

It is not a de Polignac number, because 122673157 - 2⁷ = 122673029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122673127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61336578 + 61336579.

It is an arithmetic number, because the mean of its divisors is an integer number (61336579).

Almost surely, 2^122673157 is an apocalyptic number.

It is an amenable number.

122673157 is a deficient number, since it is larger than the sum of its proper divisors (1).

122673157 is an equidigital number, since it uses as much as digits as its factorization.

122673157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17640, while the sum is 34.

The square root of 122673157 is about 11075.7914841333. The cubic root of 122673157 is about 496.8780905996.

The spelling of 122673157 in words is "one hundred twenty-two million, six hundred seventy-three thousand, one hundred fifty-seven".