121525450 has 24 divisors (see below), whose sum is σ = 227128320. Its totient is φ = 48375600.

The previous prime is 121525447. The next prime is 121525483. The reversal of 121525450 is 54525121.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4791 + ... + 16309.

It is an arithmetic number, because the mean of its divisors is an integer number (9463680).

Almost surely, 2^121525450 is an apocalyptic number.

121525450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121525450 is a deficient number, since it is larger than the sum of its proper divisors (105602870).

121525450 is a wasteful number, since it uses less digits than its factorization.

121525450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11742 (or 11737 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 121525450 is about 11023.8582175208. The cubic root of 121525450 is about 495.3236668329.

The spelling of 121525450 in words is "one hundred twenty-one million, five hundred twenty-five thousand, four hundred fifty".