124851871 has 2 divisors, whose sum is σ = 124851872. Its totient is φ = 124851870.

The previous prime is 124851841. The next prime is 124851899. The reversal of 124851871 is 178158421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 124851871 - 2⁹ = 124851359 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 124851871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124851821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62425935 + 62425936.

It is an arithmetic number, because the mean of its divisors is an integer number (62425936).

Almost surely, 2^124851871 is an apocalyptic number.

124851871 is a deficient number, since it is larger than the sum of its proper divisors (1).

124851871 is an equidigital number, since it uses as much as digits as its factorization.

124851871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17920, while the sum is 37.

The square root of 124851871 is about 11173.7133934964. The cubic root of 124851871 is about 499.8024165986.

The spelling of 124851871 in words is "one hundred twenty-four million, eight hundred fifty-one thousand, eight hundred seventy-one".