121276432453 has 8 divisors (see below), whose sum is σ = 133343308800. Its totient is φ = 109383180480.

The previous prime is 121276432439. The next prime is 121276432507. The reversal of 121276432453 is 354234672121.

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 121276432453 - 2²⁵ = 121242878021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121276432423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43404628 + ... + 43407421.

It is an arithmetic number, because the mean of its divisors is an integer number (16667913600).

Almost surely, 2^121276432453 is an apocalyptic number.

It is an amenable number.

121276432453 is a deficient number, since it is larger than the sum of its proper divisors (12066876347).

121276432453 is a wasteful number, since it uses less digits than its factorization.

121276432453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86812187.

The product of its digits is 241920, while the sum is 40.

The spelling of 121276432453 in words is "one hundred twenty-one billion, two hundred seventy-six million, four hundred thirty-two thousand, four hundred fifty-three".