121924145 has 8 divisors (see below), whose sum is σ = 167210304. Its totient is φ = 83605104.

The previous prime is 121924123. The next prime is 121924169. The reversal of 121924145 is 541429121.

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 121924145 - 2⁸ = 121923889 is a prime.

It is a Duffinian number.

It is a Curzon 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, 1741739 + ... + 1741808.

It is an arithmetic number, because the mean of its divisors is an integer number (20901288).

Almost surely, 2^121924145 is an apocalyptic number.

It is an amenable number.

121924145 is a deficient number, since it is larger than the sum of its proper divisors (45286159).

121924145 is an equidigital number, since it uses as much as digits as its factorization.

121924145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3483559.

The product of its digits is 2880, while the sum is 29.

The square root of 121924145 is about 11041.9266887622. The cubic root of 121924145 is about 495.8647537622.

The spelling of 121924145 in words is "one hundred twenty-one million, nine hundred twenty-four thousand, one hundred forty-five".