124672649 has 2 divisors, whose sum is σ = 124672650. Its totient is φ = 124672648.

The previous prime is 124672633. The next prime is 124672657. The reversal of 124672649 is 946276421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124099600 + 573049 = 11140^2 + 757^2 .

It is a cyclic number.

It is not a de Polignac number, because 124672649 - 2⁴ = 124672633 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (124672549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62336324 + 62336325.

It is an arithmetic number, because the mean of its divisors is an integer number (62336325).

Almost surely, 2^124672649 is an apocalyptic number.

It is an amenable number.

124672649 is a deficient number, since it is larger than the sum of its proper divisors (1).

124672649 is an equidigital number, since it uses as much as digits as its factorization.

124672649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145152, while the sum is 41.

The square root of 124672649 is about 11165.6907085948. The cubic root of 124672649 is about 499.5631504361.

The spelling of 124672649 in words is "one hundred twenty-four million, six hundred seventy-two thousand, six hundred forty-nine".