700172121 has 8 divisors (see below), whose sum is σ = 1018432224. Its totient is φ = 424346720.

The previous prime is 700172117. The next prime is 700172159. The reversal of 700172121 is 121271007.

It is a happy number.

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 700172121 - 2² = 700172117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (700172111) 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, 10608636 + ... + 10608701.

It is an arithmetic number, because the mean of its divisors is an integer number (127304028).

Almost surely, 2^700172121 is an apocalyptic number.

It is an amenable number.

700172121 is a deficient number, since it is larger than the sum of its proper divisors (318260103).

700172121 is a wasteful number, since it uses less digits than its factorization.

700172121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21217351.

The product of its (nonzero) digits is 196, while the sum is 21.

The square root of 700172121 is about 26460.7656918692. The cubic root of 700172121 is about 887.9767705047.

The spelling of 700172121 in words is "seven hundred million, one hundred seventy-two thousand, one hundred twenty-one".