121566701 has 8 divisors (see below), whose sum is σ = 123504000. Its totient is φ = 119639520.

The previous prime is 121566691. The next prime is 121566703. The reversal of 121566701 is 107665121.

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 121566701 - 2²² = 117372397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121566703) 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, 23825 + ... + 28473.

It is an arithmetic number, because the mean of its divisors is an integer number (15438000).

Almost surely, 2^121566701 is an apocalyptic number.

It is an amenable number.

121566701 is a deficient number, since it is larger than the sum of its proper divisors (1937299).

121566701 is an equidigital number, since it uses as much as digits as its factorization.

121566701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5059.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 121566701 is about 11025.7290461901. The cubic root of 121566701 is about 495.3797052597.

The spelling of 121566701 in words is "one hundred twenty-one million, five hundred sixty-six thousand, seven hundred one".