121461455 has 8 divisors (see below), whose sum is σ = 149143632. Its totient is φ = 94909248.

The previous prime is 121461437. The next prime is 121461469. The reversal of 121461455 is 554164121.

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

It is a cyclic number.

It is not a de Polignac number, because 121461455 - 2⁸ = 121461199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282254 + ... + 282683.

It is an arithmetic number, because the mean of its divisors is an integer number (18642954).

Almost surely, 2^121461455 is an apocalyptic number.

121461455 is a deficient number, since it is larger than the sum of its proper divisors (27682177).

121461455 is an equidigital number, since it uses as much as digits as its factorization.

121461455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564985.

The product of its digits is 4800, while the sum is 29.

The square root of 121461455 is about 11020.9552671263. The cubic root of 121461455 is about 495.2367061626.

The spelling of 121461455 in words is "one hundred twenty-one million, four hundred sixty-one thousand, four hundred fifty-five".