122513669 has 2 divisors, whose sum is σ = 122513670. Its totient is φ = 122513668.

The previous prime is 122513647. The next prime is 122513683. The reversal of 122513669 is 966315221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71605444 + 50908225 = 8462^2 + 7135^2 .

It is a cyclic number.

It is not a de Polignac number, because 122513669 - 2¹² = 122509573 is a prime.

It is a super-2 number, since 2×122513669² = 30019198183683122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122513639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61256834 + 61256835.

It is an arithmetic number, because the mean of its divisors is an integer number (61256835).

Almost surely, 2^122513669 is an apocalyptic number.

It is an amenable number.

122513669 is a deficient number, since it is larger than the sum of its proper divisors (1).

122513669 is an equidigital number, since it uses as much as digits as its factorization.

122513669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19440, while the sum is 35.

The square root of 122513669 is about 11068.5892958407. The cubic root of 122513669 is about 496.6626659638.

The spelling of 122513669 in words is "one hundred twenty-two million, five hundred thirteen thousand, six hundred sixty-nine".