121801695 has 8 divisors (see below), whose sum is σ = 194882736. Its totient is φ = 64960896.

The previous prime is 121801681. The next prime is 121801709. The reversal of 121801695 is 596108121.

It is an interprime number because it is at equal distance from previous prime (121801681) and next prime (121801709).

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

It is not a de Polignac number, because 121801695 - 2⁴ = 121801679 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4060042 + ... + 4060071.

It is an arithmetic number, because the mean of its divisors is an integer number (24360342).

Almost surely, 2^121801695 is an apocalyptic number.

121801695 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

121801695 is a deficient number, since it is larger than the sum of its proper divisors (73081041).

121801695 is an equidigital number, since it uses as much as digits as its factorization.

121801695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8120121.

The product of its (nonzero) digits is 4320, while the sum is 33.

The square root of 121801695 is about 11036.3805208048. The cubic root of 121801695 is about 495.6986970245.

The spelling of 121801695 in words is "one hundred twenty-one million, eight hundred one thousand, six hundred ninety-five".