122145965 has 8 divisors (see below), whose sum is σ = 154289760. Its totient is φ = 92573712.

The previous prime is 122145953. The next prime is 122145967. The reversal of 122145965 is 569541221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122145965 - 2¹⁰ = 122144941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122145967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642779 + ... + 642968.

It is an arithmetic number, because the mean of its divisors is an integer number (19286220).

Almost surely, 2^122145965 is an apocalyptic number.

It is an amenable number.

122145965 is a deficient number, since it is larger than the sum of its proper divisors (32143795).

122145965 is a wasteful number, since it uses less digits than its factorization.

122145965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1285771.

The product of its digits is 21600, while the sum is 35.

The square root of 122145965 is about 11051.9665670866. The cubic root of 122145965 is about 496.1652851096.

The spelling of 122145965 in words is "one hundred twenty-two million, one hundred forty-five thousand, nine hundred sixty-five".