124745987 has 2 divisors, whose sum is σ = 124745988. Its totient is φ = 124745986.

The previous prime is 124745969. The next prime is 124746007. The reversal of 124745987 is 789547421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 124745987 - 2⁶ = 124745923 is a prime.

It is a super-2 number, since 2×124745987² = 31123122545208338, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (124745947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62372993 + 62372994.

It is an arithmetic number, because the mean of its divisors is an integer number (62372994).

Almost surely, 2^124745987 is an apocalyptic number.

124745987 is a deficient number, since it is larger than the sum of its proper divisors (1).

124745987 is an equidigital number, since it uses as much as digits as its factorization.

124745987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 47.

The square root of 124745987 is about 11168.9743038472. The cubic root of 124745987 is about 499.6610863269.

The spelling of 124745987 in words is "one hundred twenty-four million, seven hundred forty-five thousand, nine hundred eighty-seven".