122689375 has 10 divisors (see below), whose sum is σ = 153313424. Its totient is φ = 98151000.

The previous prime is 122689367. The next prime is 122689381. The reversal of 122689375 is 573986221.

It is not a de Polignac number, because 122689375 - 2³ = 122689367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 97527 + ... + 98776.

Almost surely, 2^122689375 is an apocalyptic number.

122689375 is a deficient number, since it is larger than the sum of its proper divisors (30624049).

122689375 is an frugal number, since it uses more digits than its factorization.

122689375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196323 (or 196308 counting only the distinct ones).

The product of its digits is 181440, while the sum is 43.

The square root of 122689375 is about 11076.5235972303. The cubic root of 122689375 is about 496.8999862176.

It can be divided in two parts, 1226 and 89375, that added together give a square (90601 = 301²).

The spelling of 122689375 in words is "one hundred twenty-two million, six hundred eighty-nine thousand, three hundred seventy-five".