122151315 has 96 divisors (see below), whose sum is σ = 240242688. Its totient is φ = 52588800.

The previous prime is 122151313. The next prime is 122151317. The reversal of 122151315 is 513151221.

It is an interprime number because it is at equal distance from previous prime (122151313) and next prime (122151317).

It is not a de Polignac number, because 122151315 - 2¹ = 122151313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122151291 and 122151300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122151313) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 731362 + ... + 731528.

It is an arithmetic number, because the mean of its divisors is an integer number (2502528).

Almost surely, 2^122151315 is an apocalyptic number.

122151315 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

122151315 is a deficient number, since it is larger than the sum of its proper divisors (118091373).

122151315 is a wasteful number, since it uses less digits than its factorization.

122151315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 230 counting only the distinct ones).

The product of its digits is 300, while the sum is 21.

The square root of 122151315 is about 11052.2086028088. The cubic root of 122151315 is about 496.1725290261.

It can be divided in two parts, 12215 and 1315, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 122151315 in words is "one hundred twenty-two million, one hundred fifty-one thousand, three hundred fifteen".