121572675 has 54 divisors (see below), whose sum is σ = 253324188. Its totient is φ = 55571040.

The previous prime is 121572629. The next prime is 121572677. The reversal of 121572675 is 576275121.

121572675 = 2³ + 3³ + ... + 148³.

121572675 is a `hidden beast` number, since 1 + 21 + 572 + 67 + 5 = 666.

It is a Cunningham number, because it is equal to 11026²-1.

It is not a de Polignac number, because 121572675 - 2⁸ = 121572419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121572677) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 5512 + ... + 16538.

Almost surely, 2^121572675 is an apocalyptic number.

121572675 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121572675 is an abundant number, since it is smaller than the sum of its proper divisors (131751513).

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

121572675 is a wasteful number, since it uses less digits than its factorization.

121572675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11057 (or 11042 counting only the distinct ones).

The product of its digits is 29400, while the sum is 36.

The square root of 121572675 is about 11025.9999546526. Note that the first 4 decimals coincide. The cubic root of 121572675 is about 495.3878197347.

The spelling of 121572675 in words is "one hundred twenty-one million, five hundred seventy-two thousand, six hundred seventy-five".