122251057 has 2 divisors, whose sum is σ = 122251058. Its totient is φ = 122251056.

The previous prime is 122251007. The next prime is 122251091. The reversal of 122251057 is 750152221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 120033936 + 2217121 = 10956^2 + 1489^2 .

It is a cyclic number.

It is not a de Polignac number, because 122251057 - 2⁷ = 122250929 is a prime.

It is not a weakly prime, because it can be changed into another prime (122251007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61125528 + 61125529.

It is an arithmetic number, because the mean of its divisors is an integer number (61125529).

Almost surely, 2^122251057 is an apocalyptic number.

It is an amenable number.

122251057 is a deficient number, since it is larger than the sum of its proper divisors (1).

122251057 is an equidigital number, since it uses as much as digits as its factorization.

122251057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1400, while the sum is 25.

The square root of 122251057 is about 11056.7199928369. The cubic root of 122251057 is about 496.3075412892.

The spelling of 122251057 in words is "one hundred twenty-two million, two hundred fifty-one thousand, fifty-seven".