122682257 has 2 divisors, whose sum is σ = 122682258. Its totient is φ = 122682256.

The previous prime is 122682247. The next prime is 122682271. The reversal of 122682257 is 752286221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 77510416 + 45171841 = 8804^2 + 6721^2 .

It is a cyclic number.

It is not a de Polignac number, because 122682257 - 2⁶ = 122682193 is a prime.

It is a super-2 number, since 2×122682257² = 30101872365228098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122682247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61341128 + 61341129.

It is an arithmetic number, because the mean of its divisors is an integer number (61341129).

Almost surely, 2^122682257 is an apocalyptic number.

It is an amenable number.

122682257 is a deficient number, since it is larger than the sum of its proper divisors (1).

122682257 is an equidigital number, since it uses as much as digits as its factorization.

122682257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 35.

The square root of 122682257 is about 11076.2022823710. The cubic root of 122682257 is about 496.8903765767.

The spelling of 122682257 in words is "one hundred twenty-two million, six hundred eighty-two thousand, two hundred fifty-seven".