121075224 has 32 divisors (see below), whose sum is σ = 320494320. Its totient is φ = 37984256.

The previous prime is 121075223. The next prime is 121075237. The reversal of 121075224 is 422570121.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 121075194 and 121075203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121075223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147969 + ... + 148784.

Almost surely, 2^121075224 is an apocalyptic number.

It is an amenable number.

121075224 is an abundant number, since it is smaller than the sum of its proper divisors (199419096).

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

121075224 is a wasteful number, since it uses less digits than its factorization.

121075224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296779 (or 296775 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 121075224 is about 11003.4187414639. The cubic root of 121075224 is about 494.7112201943.

The spelling of 121075224 in words is "one hundred twenty-one million, seventy-five thousand, two hundred twenty-four".