122975969 has 2 divisors, whose sum is σ = 122975970. Its totient is φ = 122975968.

The previous prime is 122975947. The next prime is 122975971. The reversal of 122975969 is 969579221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75916369 + 47059600 = 8713^2 + 6860^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122975969 is a prime.

It is a super-2 number, since 2×122975969² = 30246177902977922, which contains 22 as substring.

Together with 122975971, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122975989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61487984 + 61487985.

It is an arithmetic number, because the mean of its divisors is an integer number (61487985).

Almost surely, 2^122975969 is an apocalyptic number.

It is an amenable number.

122975969 is a deficient number, since it is larger than the sum of its proper divisors (1).

122975969 is an equidigital number, since it uses as much as digits as its factorization.

122975969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 612360, while the sum is 50.

The square root of 122975969 is about 11089.4530523376. The cubic root of 122975969 is about 497.2865934871.

The spelling of 122975969 in words is "one hundred twenty-two million, nine hundred seventy-five thousand, nine hundred sixty-nine".