122475690 has 48 divisors (see below), whose sum is σ = 332287488. Its totient is φ = 31239648.

The previous prime is 122475649. The next prime is 122475697. The reversal of 122475690 is 96574221.

122475690 is a `hidden beast` number, since 122 + 475 + 69 + 0 = 666.

It is a super-2 number, since 2×122475690² = 30000589281952200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (122475697) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27514 + ... + 31653.

It is an arithmetic number, because the mean of its divisors is an integer number (6922656).

Almost surely, 2^122475690 is an apocalyptic number.

122475690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

122475690 is an abundant number, since it is smaller than the sum of its proper divisors (209811798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122475690 is a wasteful number, since it uses less digits than its factorization.

122475690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59203 (or 59200 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 122475690 is about 11066.8735422431. The cubic root of 122475690 is about 496.6113391717.

The spelling of 122475690 in words is "one hundred twenty-two million, four hundred seventy-five thousand, six hundred ninety".