124758889 has 2 divisors, whose sum is σ = 124758890. Its totient is φ = 124758888.

The previous prime is 124758839. The next prime is 124758901. The reversal of 124758889 is 988857421.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 106440489 + 18318400 = 10317^2 + 4280^2 .

It is a cyclic number.

It is not a de Polignac number, because 124758889 - 2⁷ = 124758761 is a prime.

It is not a weakly prime, because it can be changed into another prime (124758839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62379444 + 62379445.

It is an arithmetic number, because the mean of its divisors is an integer number (62379445).

Almost surely, 2^124758889 is an apocalyptic number.

It is an amenable number.

124758889 is a deficient number, since it is larger than the sum of its proper divisors (1).

124758889 is an equidigital number, since it uses as much as digits as its factorization.

124758889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1290240, while the sum is 52.

The square root of 124758889 is about 11169.5518710466. The cubic root of 124758889 is about 499.6783117444.

The spelling of 124758889 in words is "one hundred twenty-four million, seven hundred fifty-eight thousand, eight hundred eighty-nine".