124894247 has 2 divisors, whose sum is σ = 124894248. Its totient is φ = 124894246.

The previous prime is 124894219. The next prime is 124894249. The reversal of 124894247 is 742498421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124894247 - 2²⁶ = 57785383 is a prime.

Together with 124894249, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124894249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62447123 + 62447124.

It is an arithmetic number, because the mean of its divisors is an integer number (62447124).

Almost surely, 2^124894247 is an apocalyptic number.

124894247 is a deficient number, since it is larger than the sum of its proper divisors (1).

124894247 is an equidigital number, since it uses as much as digits as its factorization.

124894247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 129024, while the sum is 41.

The square root of 124894247 is about 11175.6094688388. The cubic root of 124894247 is about 499.8589562170.

The spelling of 124894247 in words is "one hundred twenty-four million, eight hundred ninety-four thousand, two hundred forty-seven".