121339699 has 8 divisors (see below), whose sum is σ = 130761680. Its totient is φ = 111930336.

The previous prime is 121339649. The next prime is 121339703. The reversal of 121339699 is 996933121.

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 121339699 - 2²¹ = 119242547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121339619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29104 + ... + 33010.

It is an arithmetic number, because the mean of its divisors is an integer number (16345210).

Almost surely, 2^121339699 is an apocalyptic number.

121339699 is a deficient number, since it is larger than the sum of its proper divisors (9421981).

121339699 is a wasteful number, since it uses less digits than its factorization.

121339699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6309.

The product of its digits is 78732, while the sum is 43.

The square root of 121339699 is about 11015.4300415372. The cubic root of 121339699 is about 495.0711716186.

The spelling of 121339699 in words is "one hundred twenty-one million, three hundred thirty-nine thousand, six hundred ninety-nine".