121295645 has 8 divisors (see below), whose sum is σ = 145711104. Its totient is φ = 96932304.

The previous prime is 121295627. The next prime is 121295659. The reversal of 121295645 is 546592121.

It is a happy number.

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 121295645 - 2²⁴ = 104518429 is a prime.

It is a Duffinian number.

It is a Curzon number.

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, 7709 + ... + 17378.

It is an arithmetic number, because the mean of its divisors is an integer number (18213888).

Almost surely, 2^121295645 is an apocalyptic number.

It is an amenable number.

121295645 is a deficient number, since it is larger than the sum of its proper divisors (24415459).

121295645 is an equidigital number, since it uses as much as digits as its factorization.

121295645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26059.

The product of its digits is 21600, while the sum is 35.

The square root of 121295645 is about 11013.4302104294. The cubic root of 121295645 is about 495.0112502970.

The spelling of 121295645 in words is "one hundred twenty-one million, two hundred ninety-five thousand, six hundred forty-five".