122471651 has 2 divisors, whose sum is σ = 122471652. Its totient is φ = 122471650.

The previous prime is 122471647. The next prime is 122471653. The reversal of 122471651 is 156174221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 122471651 - 2² = 122471647 is a prime.

Together with 122471653, 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 (122471653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61235825 + 61235826.

It is an arithmetic number, because the mean of its divisors is an integer number (61235826).

Almost surely, 2^122471651 is an apocalyptic number.

122471651 is a deficient number, since it is larger than the sum of its proper divisors (1).

122471651 is an equidigital number, since it uses as much as digits as its factorization.

122471651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 29.

The square root of 122471651 is about 11066.6910592101. The cubic root of 122471651 is about 496.6058800332.

The spelling of 122471651 in words is "one hundred twenty-two million, four hundred seventy-one thousand, six hundred fifty-one".