121552192 has 14 divisors (see below), whose sum is σ = 241205258. Its totient is φ = 60776064.

The previous prime is 121552183. The next prime is 121552241. The reversal of 121552192 is 291255121.

It can be written as a sum of positive squares in only one way, i.e., 117158976 + 4393216 = 10824^2 + 2096^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 121552192.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 949563 + ... + 949690.

It is an arithmetic number, because the mean of its divisors is an integer number (17228947).

Almost surely, 2^121552192 is an apocalyptic number.

It is an amenable number.

121552192 is a deficient number, since it is larger than the sum of its proper divisors (119653066).

121552192 is an equidigital number, since it uses as much as digits as its factorization.

121552192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899265 (or 1899255 counting only the distinct ones).

The product of its digits is 1800, while the sum is 28.

The square root of 121552192 is about 11025.0710655306. The cubic root of 121552192 is about 495.3599966003.

The spelling of 121552192 in words is "one hundred twenty-one million, five hundred fifty-two thousand, one hundred ninety-two".