122443091 has 8 divisors (see below), whose sum is σ = 124921440. Its totient is φ = 119971072.

The previous prime is 122443073. The next prime is 122443093. The reversal of 122443091 is 190344221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122443091 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 122443091.

It is not an unprimeable number, because it can be changed into a prime (122443093) 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, 63875 + ... + 65763.

It is an arithmetic number, because the mean of its divisors is an integer number (15615180).

Almost surely, 2^122443091 is an apocalyptic number.

122443091 is a deficient number, since it is larger than the sum of its proper divisors (2478349).

122443091 is a wasteful number, since it uses less digits than its factorization.

122443091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3165.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 122443091 is about 11065.4006253728. The cubic root of 122443091 is about 496.5672747276.

The spelling of 122443091 in words is "one hundred twenty-two million, four hundred forty-three thousand, ninety-one".