121013455 has 8 divisors (see below), whose sum is σ = 145341504. Its totient is φ = 96727200.

The previous prime is 121013449. The next prime is 121013483. The reversal of 121013455 is 554310121.

It is a happy number.

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

It is not a de Polignac number, because 121013455 - 2²⁵ = 87459023 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, 3676 + ... + 15985.

It is an arithmetic number, because the mean of its divisors is an integer number (18167688).

Almost surely, 2^121013455 is an apocalyptic number.

121013455 is a deficient number, since it is larger than the sum of its proper divisors (24328049).

121013455 is a wasteful number, since it uses less digits than its factorization.

121013455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20897.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 121013455 is about 11000.6115739081. The cubic root of 121013455 is about 494.6270768703.

Adding to 121013455 its reverse (554310121), we get a palindrome (675323576).

The spelling of 121013455 in words is "one hundred twenty-one million, thirteen thousand, four hundred fifty-five".