121241199 has 8 divisors (see below), whose sum is σ = 167229360. Its totient is φ = 78040256.

The previous prime is 121241189. The next prime is 121241213. The reversal of 121241199 is 991142121.

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 121241199 - 2¹⁷ = 121110127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121241149) 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, 696702 + ... + 696875.

It is an arithmetic number, because the mean of its divisors is an integer number (20903670).

Almost surely, 2^121241199 is an apocalyptic number.

121241199 is a deficient number, since it is larger than the sum of its proper divisors (45988161).

121241199 is a wasteful number, since it uses less digits than its factorization.

121241199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1393609.

The product of its digits is 1296, while the sum is 30.

The square root of 121241199 is about 11010.9581326967. The cubic root of 121241199 is about 494.9371739466.

The spelling of 121241199 in words is "one hundred twenty-one million, two hundred forty-one thousand, one hundred ninety-nine".