122924993 has 2 divisors, whose sum is σ = 122924994. Its totient is φ = 122924992.

The previous prime is 122924957. The next prime is 122925001. The reversal of 122924993 is 399429221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108847489 + 14077504 = 10433^2 + 3752^2 .

It is a cyclic number.

It is not a de Polignac number, because 122924993 - 2¹⁴ = 122908609 is a prime.

It is a super-2 number, since 2×122924993² = 30221107808100098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 122924993.

It is not a weakly prime, because it can be changed into another prime (122929993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61462496 + 61462497.

It is an arithmetic number, because the mean of its divisors is an integer number (61462497).

Almost surely, 2^122924993 is an apocalyptic number.

It is an amenable number.

122924993 is a deficient number, since it is larger than the sum of its proper divisors (1).

122924993 is an equidigital number, since it uses as much as digits as its factorization.

122924993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 41.

The square root of 122924993 is about 11087.1544140054. The cubic root of 122924993 is about 497.2178722427.

The spelling of 122924993 in words is "one hundred twenty-two million, nine hundred twenty-four thousand, nine hundred ninety-three".