121122849 has 4 divisors (see below), whose sum is σ = 161497136. Its totient is φ = 80748564.

The previous prime is 121122817. The next prime is 121122851. The reversal of 121122849 is 948221121.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 121122849 - 2⁵ = 121122817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121122949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20187139 + ... + 20187144.

It is an arithmetic number, because the mean of its divisors is an integer number (40374284).

Almost surely, 2^121122849 is an apocalyptic number.

It is an amenable number.

121122849 is a deficient number, since it is larger than the sum of its proper divisors (40374287).

121122849 is an equidigital number, since it uses as much as digits as its factorization.

121122849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40374286.

The product of its digits is 2304, while the sum is 30.

The square root of 121122849 is about 11005.5826288298. The cubic root of 121122849 is about 494.7760766600.

The spelling of 121122849 in words is "one hundred twenty-one million, one hundred twenty-two thousand, eight hundred forty-nine".