124758419249 has 2 divisors, whose sum is σ = 124758419250. Its totient is φ = 124758419248.

The previous prime is 124758419239. The next prime is 124758419251. The reversal of 124758419249 is 942914857421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 119002921024 + 5755498225 = 344968^2 + 75865^2 .

It is a cyclic number.

It is not a de Polignac number, because 124758419249 - 2¹² = 124758415153 is a prime.

Together with 124758419251, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 124758419194 and 124758419203.

It is not a weakly prime, because it can be changed into another prime (124758419239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62379209624 + 62379209625.

It is an arithmetic number, because the mean of its divisors is an integer number (62379209625).

Almost surely, 2^124758419249 is an apocalyptic number.

It is an amenable number.

124758419249 is a deficient number, since it is larger than the sum of its proper divisors (1).

124758419249 is an equidigital number, since it uses as much as digits as its factorization.

124758419249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5806080, while the sum is 56.

The spelling of 124758419249 in words is "one hundred twenty-four billion, seven hundred fifty-eight million, four hundred nineteen thousand, two hundred forty-nine".