121154361 has 8 divisors (see below), whose sum is σ = 161745024. Its totient is φ = 80666640.

The previous prime is 121154351. The next prime is 121154381. The reversal of 121154361 is 163451121.

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 121154361 - 2⁷ = 121154233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121154311) 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, 22945 + ... + 27726.

It is an arithmetic number, because the mean of its divisors is an integer number (20218128).

Almost surely, 2^121154361 is an apocalyptic number.

It is an amenable number.

121154361 is a deficient number, since it is larger than the sum of its proper divisors (40590663).

121154361 is an equidigital number, since it uses as much as digits as its factorization.

121154361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51471.

The product of its digits is 720, while the sum is 24.

The square root of 121154361 is about 11007.0141727900. The cubic root of 121154361 is about 494.8189808462.

It can be divided in two parts, 121 and 154361, that multiplied together give a palindrome (18677681).

The spelling of 121154361 in words is "one hundred twenty-one million, one hundred fifty-four thousand, three hundred sixty-one".