121933199 has 8 divisors (see below), whose sum is σ = 127641600. Its totient is φ = 116335800.

The previous prime is 121933193. The next prime is 121933223. The reversal of 121933199 is 991339121.

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 121933199 - 2¹² = 121929103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121933193) 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, 25499 + ... + 29900.

It is an arithmetic number, because the mean of its divisors is an integer number (15955200).

Almost surely, 2^121933199 is an apocalyptic number.

121933199 is a deficient number, since it is larger than the sum of its proper divisors (5708401).

121933199 is an equidigital number, since it uses as much as digits as its factorization.

121933199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55501.

The product of its digits is 13122, while the sum is 38.

The square root of 121933199 is about 11042.3366639493. The cubic root of 121933199 is about 495.8770276459.

The spelling of 121933199 in words is "one hundred twenty-one million, nine hundred thirty-three thousand, one hundred ninety-nine".