122151345 has 16 divisors (see below), whose sum is σ = 195592320. Its totient is φ = 65097344.

The previous prime is 122151331. The next prime is 122151371. The reversal of 122151345 is 543151221.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 122151345 - 2⁵ = 122151313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25501 + ... + 29909.

It is an arithmetic number, because the mean of its divisors is an integer number (12224520).

Almost surely, 2^122151345 is an apocalyptic number.

122151345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122151345 is a deficient number, since it is larger than the sum of its proper divisors (73440975).

122151345 is a wasteful number, since it uses less digits than its factorization.

122151345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6264.

The product of its digits is 1200, while the sum is 24.

The square root of 122151345 is about 11052.2099600035. The cubic root of 122151345 is about 496.1725696456.

The spelling of 122151345 in words is "one hundred twenty-two million, one hundred fifty-one thousand, three hundred forty-five".