121626450 has 72 divisors (see below), whose sum is σ = 356490576. Its totient is φ = 29484000.

The previous prime is 121626443. The next prime is 121626469. The reversal of 121626450 is 54626121.

121626450 is a `hidden beast` number, since 1 + 2 + 16 + 2 + 645 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7336 + ... + 17235.

It is an arithmetic number, because the mean of its divisors is an integer number (4951258).

Almost surely, 2^121626450 is an apocalyptic number.

121626450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

121626450 is an abundant number, since it is smaller than the sum of its proper divisors (234864126).

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

121626450 is a wasteful number, since it uses less digits than its factorization.

121626450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24600 (or 24592 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 121626450 is about 11028.4382393882. The cubic root of 121626450 is about 495.4608502716.

The spelling of 121626450 in words is "one hundred twenty-one million, six hundred twenty-six thousand, four hundred fifty".