122944091 has 2 divisors, whose sum is σ = 122944092. Its totient is φ = 122944090.

The previous prime is 122944061. The next prime is 122944093. The reversal of 122944091 is 190449221.

It is a strong prime.

It is an emirp because it is prime and its reverse (190449221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122944091 is a prime.

Together with 122944093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122944093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61472045 + 61472046.

It is an arithmetic number, because the mean of its divisors is an integer number (61472046).

Almost surely, 2^122944091 is an apocalyptic number.

122944091 is a deficient number, since it is larger than the sum of its proper divisors (1).

122944091 is an equidigital number, since it uses as much as digits as its factorization.

122944091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 122944091 is about 11088.0156475359. The cubic root of 122944091 is about 497.2436206686.

The spelling of 122944091 in words is "one hundred twenty-two million, nine hundred forty-four thousand, ninety-one".