121801694 has 8 divisors (see below), whose sum is σ = 208802928. Its totient is φ = 52200720.

The previous prime is 121801681. The next prime is 121801709. The reversal of 121801694 is 496108121.

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

It is a super-2 number, since 2×121801694² = 29671305322539272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121801694.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4350047 + ... + 4350074.

It is an arithmetic number, because the mean of its divisors is an integer number (26100366).

Almost surely, 2^121801694 is an apocalyptic number.

121801694 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

121801694 is a deficient number, since it is larger than the sum of its proper divisors (87001234).

121801694 is an equidigital number, since it uses as much as digits as its factorization.

121801694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8700130.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 121801694 is about 11036.3804755001. The cubic root of 121801694 is about 495.6986956679.

The spelling of 121801694 in words is "one hundred twenty-one million, eight hundred one thousand, six hundred ninety-four".