121352099 has 8 divisors (see below), whose sum is σ = 132472560. Its totient is φ = 110246400.

The previous prime is 121352039. The next prime is 121352111. The reversal of 121352099 is 990253121.

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

It is not a de Polignac number, because 121352099 - 2⁸ = 121351843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (121352039) 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, 20339 + ... + 25619.

It is an arithmetic number, because the mean of its divisors is an integer number (16559070).

Almost surely, 2^121352099 is an apocalyptic number.

121352099 is a deficient number, since it is larger than the sum of its proper divisors (11120461).

121352099 is a wasteful number, since it uses less digits than its factorization.

121352099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7381.

The product of its (nonzero) digits is 4860, while the sum is 32.

The square root of 121352099 is about 11015.9928739991. The cubic root of 121352099 is about 495.0880352213.

The spelling of 121352099 in words is "one hundred twenty-one million, three hundred fifty-two thousand, ninety-nine".