121452554 has 8 divisors (see below), whose sum is σ = 186415680. Its totient is φ = 59313996.

The previous prime is 121452533. The next prime is 121452557. The reversal of 121452554 is 455254121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (121452557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 706034 + ... + 706205.

It is an arithmetic number, because the mean of its divisors is an integer number (23301960).

Almost surely, 2^121452554 is an apocalyptic number.

121452554 is a deficient number, since it is larger than the sum of its proper divisors (64963126).

121452554 is a wasteful number, since it uses less digits than its factorization.

121452554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1412284.

The product of its digits is 8000, while the sum is 29.

The square root of 121452554 is about 11020.5514381087. The cubic root of 121452554 is about 495.2246084712.

The spelling of 121452554 in words is "one hundred twenty-one million, four hundred fifty-two thousand, five hundred fifty-four".