122898165 has 16 divisors (see below), whose sum is σ = 211763328. Its totient is φ = 60503616.

The previous prime is 122898163. The next prime is 122898203. The reversal of 122898165 is 561898221.

It is a happy number.

It is not a de Polignac number, because 122898165 - 2¹ = 122898163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122898163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314929 + ... + 315318.

It is an arithmetic number, because the mean of its divisors is an integer number (13235208).

Almost surely, 2^122898165 is an apocalyptic number.

122898165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122898165 is a deficient number, since it is larger than the sum of its proper divisors (88865163).

122898165 is a wasteful number, since it uses less digits than its factorization.

122898165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630268.

The product of its digits is 69120, while the sum is 42.

The square root of 122898165 is about 11085.9444793847. The cubic root of 122898165 is about 497.1816975227.

The spelling of 122898165 in words is "one hundred twenty-two million, eight hundred ninety-eight thousand, one hundred sixty-five".