121552460 has 24 divisors (see below), whose sum is σ = 255603600. Its totient is φ = 48555584.

The previous prime is 121552429. The next prime is 121552471. The reversal of 121552460 is 64255121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12866 + ... + 20214.

It is an arithmetic number, because the mean of its divisors is an integer number (10650150).

Almost surely, 2^121552460 is an apocalyptic number.

121552460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121552460 is an abundant number, since it is smaller than the sum of its proper divisors (134051140).

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

121552460 is a wasteful number, since it uses less digits than its factorization.

121552460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8185 (or 8183 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 121552460 is about 11025.0832196406. The cubic root of 121552460 is about 495.3603606590.

The spelling of 121552460 in words is "one hundred twenty-one million, five hundred fifty-two thousand, four hundred sixty".