99121934 has 8 divisors (see below), whose sum is σ = 157429008. Its totient is φ = 46645600.

The previous prime is 99121931. The next prime is 99121937. The reversal of 99121934 is 43912199.

It is an interprime number because it is at equal distance from previous prime (99121931) and next prime (99121937).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99121931) 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, 1457642 + ... + 1457709.

It is an arithmetic number, because the mean of its divisors is an integer number (19678626).

Almost surely, 2^99121934 is an apocalyptic number.

99121934 is a deficient number, since it is larger than the sum of its proper divisors (58307074).

99121934 is a wasteful number, since it uses less digits than its factorization.

99121934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2915370.

The product of its digits is 17496, while the sum is 38.

The square root of 99121934 is about 9955.9998995581. Note that the first 3 decimals coincide. The cubic root of 99121934 is about 462.7963471092.

The spelling of 99121934 in words is "ninety-nine million, one hundred twenty-one thousand, nine hundred thirty-four".