121625273 has 16 divisors (see below), whose sum is σ = 152668800. Its totient is φ = 94128000.

The previous prime is 121625261. The next prime is 121625281. The reversal of 121625273 is 372526121.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 121625273 - 2⁶ = 121625209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (121625473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6173 + ... + 16773.

It is an arithmetic number, because the mean of its divisors is an integer number (9541800).

Almost surely, 2^121625273 is an apocalyptic number.

It is an amenable number.

121625273 is a deficient number, since it is larger than the sum of its proper divisors (31043527).

121625273 is a wasteful number, since it uses less digits than its factorization.

121625273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10768.

The product of its digits is 5040, while the sum is 29.

The square root of 121625273 is about 11028.3848772157. The cubic root of 121625273 is about 495.4592520466.

The spelling of 121625273 in words is "one hundred twenty-one million, six hundred twenty-five thousand, two hundred seventy-three".