122510057 has 2 divisors, whose sum is σ = 122510058. Its totient is φ = 122510056.

The previous prime is 122510033. The next prime is 122510093. The reversal of 122510057 is 750015221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111112681 + 11397376 = 10541^2 + 3376^2 .

It is a cyclic number.

It is not a de Polignac number, because 122510057 - 2¹⁸ = 122247913 is a prime.

It is a super-2 number, since 2×122510057² = 30017428132286498, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (122510657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61255028 + 61255029.

It is an arithmetic number, because the mean of its divisors is an integer number (61255029).

Almost surely, 2^122510057 is an apocalyptic number.

It is an amenable number.

122510057 is a deficient number, since it is larger than the sum of its proper divisors (1).

122510057 is an equidigital number, since it uses as much as digits as its factorization.

122510057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 122510057 is about 11068.4261302138. The cubic root of 122510057 is about 496.6577849760.

Adding to 122510057 its reverse (750015221), we get a palindrome (872525278).

The spelling of 122510057 in words is "one hundred twenty-two million, five hundred ten thousand, fifty-seven".