121427500 has 30 divisors (see below), whose sum is σ = 265543124. Its totient is φ = 48570000.

The previous prime is 121427497. The next prime is 121427507. The reversal of 121427500 is 5724121.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (121427507) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 21786 + ... + 26785.

Almost surely, 2^121427500 is an apocalyptic number.

121427500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121427500 is an abundant number, since it is smaller than the sum of its proper divisors (144115624).

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

121427500 is an equidigital number, since it uses as much as digits as its factorization.

121427500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48595 (or 48578 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 121427500 is about 11019.4146850003. The cubic root of 121427500 is about 495.1905534426.

The spelling of 121427500 in words is "one hundred twenty-one million, four hundred twenty-seven thousand, five hundred".