124914282821 has 2 divisors, whose sum is σ = 124914282822. Its totient is φ = 124914282820.

The previous prime is 124914282749. The next prime is 124914282851. The reversal of 124914282821 is 128282419421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 123263485921 + 1650796900 = 351089^2 + 40630^2 .

It is a cyclic number.

It is not a de Polignac number, because 124914282821 - 2³⁰ = 123840540997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (124914282851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62457141410 + 62457141411.

It is an arithmetic number, because the mean of its divisors is an integer number (62457141411).

Almost surely, 2^124914282821 is an apocalyptic number.

It is an amenable number.

124914282821 is a deficient number, since it is larger than the sum of its proper divisors (1).

124914282821 is an equidigital number, since it uses as much as digits as its factorization.

124914282821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 147456, while the sum is 44.

The spelling of 124914282821 in words is "one hundred twenty-four billion, nine hundred fourteen million, two hundred eighty-two thousand, eight hundred twenty-one".