122551123 has 2 divisors, whose sum is σ = 122551124. Its totient is φ = 122551122.

The previous prime is 122551109. The next prime is 122551127. The reversal of 122551123 is 321155221.

It is a strong prime.

It is an emirp because it is prime and its reverse (321155221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122551123 is a prime.

It is a super-2 number, since 2×122551123² = 30037555497122258, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 122551094 and 122551103.

It is not a weakly prime, because it can be changed into another prime (122551127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61275561 + 61275562.

It is an arithmetic number, because the mean of its divisors is an integer number (61275562).

Almost surely, 2^122551123 is an apocalyptic number.

122551123 is a deficient number, since it is larger than the sum of its proper divisors (1).

122551123 is an equidigital number, since it uses as much as digits as its factorization.

122551123 is an evil number, because the sum of its binary digits is even.

The product of its digits is 600, while the sum is 22.

The square root of 122551123 is about 11070.2810714092. The cubic root of 122551123 is about 496.7132728562.

The spelling of 122551123 in words is "one hundred twenty-two million, five hundred fifty-one thousand, one hundred twenty-three".