632122091 has 4 divisors (see below), whose sum is σ = 632282184. Its totient is φ = 631962000.

The previous prime is 632122079. The next prime is 632122093. The reversal of 632122091 is 190221236.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 632122091 - 2⁶ = 632122027 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 632122091.

It is not an unprimeable number, because it can be changed into a prime (632122093) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73970 + ... + 82071.

It is an arithmetic number, because the mean of its divisors is an integer number (158070546).

Almost surely, 2^632122091 is an apocalyptic number.

632122091 is a deficient number, since it is larger than the sum of its proper divisors (160093).

632122091 is a wasteful number, since it uses less digits than its factorization.

632122091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160092.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 632122091 is about 25142.0383223000. The cubic root of 632122091 is about 858.2233427120.

The spelling of 632122091 in words is "six hundred thirty-two million, one hundred twenty-two thousand, ninety-one".