122654251 has 2 divisors, whose sum is σ = 122654252. Its totient is φ = 122654250.

The previous prime is 122654227. The next prime is 122654261. The reversal of 122654251 is 152456221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122654251 - 2⁷ = 122654123 is a prime.

It is not a weakly prime, because it can be changed into another prime (122654261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61327125 + 61327126.

It is an arithmetic number, because the mean of its divisors is an integer number (61327126).

Almost surely, 2^122654251 is an apocalyptic number.

122654251 is a deficient number, since it is larger than the sum of its proper divisors (1).

122654251 is an equidigital number, since it uses as much as digits as its factorization.

122654251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4800, while the sum is 28.

The square root of 122654251 is about 11074.9379682236. The cubic root of 122654251 is about 496.8525635268.

The spelling of 122654251 in words is "one hundred twenty-two million, six hundred fifty-four thousand, two hundred fifty-one".