122454551 has 2 divisors, whose sum is σ = 122454552. Its totient is φ = 122454550.

The previous prime is 122454533. The next prime is 122454569. The reversal of 122454551 is 155454221.

It is a balanced prime because it is at equal distance from previous prime (122454533) and next prime (122454569).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122454551 is a prime.

It is a super-2 number, since 2×122454551² = 29990234121223202, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122454151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61227275 + 61227276.

It is an arithmetic number, because the mean of its divisors is an integer number (61227276).

Almost surely, 2^122454551 is an apocalyptic number.

122454551 is a deficient number, since it is larger than the sum of its proper divisors (1).

122454551 is an equidigital number, since it uses as much as digits as its factorization.

122454551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8000, while the sum is 29.

The square root of 122454551 is about 11065.9184435816. The cubic root of 122454551 is about 496.5827662330.

The spelling of 122454551 in words is "one hundred twenty-two million, four hundred fifty-four thousand, five hundred fifty-one".