122989673 has 2 divisors, whose sum is σ = 122989674. Its totient is φ = 122989672.

The previous prime is 122989621. The next prime is 122989687. The reversal of 122989673 is 376989221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79798489 + 43191184 = 8933^2 + 6572^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122989673 is a prime.

It is not a weakly prime, because it can be changed into another prime (122989693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61494836 + 61494837.

It is an arithmetic number, because the mean of its divisors is an integer number (61494837).

Almost surely, 2^122989673 is an apocalyptic number.

It is an amenable number.

122989673 is a deficient number, since it is larger than the sum of its proper divisors (1).

122989673 is an equidigital number, since it uses as much as digits as its factorization.

122989673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 47.

The square root of 122989673 is about 11090.0709195208. The cubic root of 122989673 is about 497.3050647445.

The spelling of 122989673 in words is "one hundred twenty-two million, nine hundred eighty-nine thousand, six hundred seventy-three".