121426455 has 8 divisors (see below), whose sum is σ = 194282352. Its totient is φ = 64760768.

The previous prime is 121426447. The next prime is 121426471. The reversal of 121426455 is 554624121.

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 121426455 - 2³ = 121426447 is a prime.

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, 4047534 + ... + 4047563.

It is an arithmetic number, because the mean of its divisors is an integer number (24285294).

Almost surely, 2^121426455 is an apocalyptic number.

121426455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121426455 is a deficient number, since it is larger than the sum of its proper divisors (72855897).

121426455 is an equidigital number, since it uses as much as digits as its factorization.

121426455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8095105.

The product of its digits is 9600, while the sum is 30.

The square root of 121426455 is about 11019.3672685867. The cubic root of 121426455 is about 495.1891329088.

The spelling of 121426455 in words is "one hundred twenty-one million, four hundred twenty-six thousand, four hundred fifty-five".