121854607 has 8 divisors (see below), whose sum is σ = 144064800. Its totient is φ = 100845024.

The previous prime is 121854599. The next prime is 121854611. The reversal of 121854607 is 706458121.

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

It is not a de Polignac number, because 121854607 - 2³ = 121854599 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 (121857607) 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, 299932 + ... + 300337.

It is an arithmetic number, because the mean of its divisors is an integer number (18008100).

Almost surely, 2^121854607 is an apocalyptic number.

121854607 is a deficient number, since it is larger than the sum of its proper divisors (22210193).

121854607 is an equidigital number, since it uses as much as digits as its factorization.

121854607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600305.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 121854607 is about 11038.7774232476. Note that the first 3 decimals coincide. The cubic root of 121854607 is about 495.7704656273.

The spelling of 121854607 in words is "one hundred twenty-one million, eight hundred fifty-four thousand, six hundred seven".