122916965 has 4 divisors (see below), whose sum is σ = 147500364. Its totient is φ = 98333568.

The previous prime is 122916961. The next prime is 122916971. The reversal of 122916965 is 569619221.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55562116 + 67354849 = 7454^2 + 8207^2 .

It is a cyclic number.

It is not a de Polignac number, because 122916965 - 2² = 122916961 is a prime.

It is a super-2 number, since 2×122916965² = 30217160569622450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122916961) 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 in 3 ways as a sum of consecutive naturals, for example, 12291692 + ... + 12291701.

It is an arithmetic number, because the mean of its divisors is an integer number (36875091).

Almost surely, 2^122916965 is an apocalyptic number.

It is an amenable number.

122916965 is a deficient number, since it is larger than the sum of its proper divisors (24583399).

122916965 is an equidigital number, since it uses as much as digits as its factorization.

122916965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24583398.

The product of its digits is 58320, while the sum is 41.

The square root of 122916965 is about 11086.7923674975. The cubic root of 122916965 is about 497.2070478858.

The spelling of 122916965 in words is "one hundred twenty-two million, nine hundred sixteen thousand, nine hundred sixty-five".