122648651 has 2 divisors, whose sum is σ = 122648652. Its totient is φ = 122648650.

The previous prime is 122648639. The next prime is 122648663. The reversal of 122648651 is 156846221.

It is a balanced prime because it is at equal distance from previous prime (122648639) and next prime (122648663).

It is a cyclic number.

It is not a de Polignac number, because 122648651 - 2⁶ = 122648587 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (122648611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61324325 + 61324326.

It is an arithmetic number, because the mean of its divisors is an integer number (61324326).

Almost surely, 2^122648651 is an apocalyptic number.

122648651 is a deficient number, since it is larger than the sum of its proper divisors (1).

122648651 is an equidigital number, since it uses as much as digits as its factorization.

122648651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 35.

The square root of 122648651 is about 11074.6851422512. The cubic root of 122648651 is about 496.8450018465.

The spelling of 122648651 in words is "one hundred twenty-two million, six hundred forty-eight thousand, six hundred fifty-one".