124837947881 has 2 divisors, whose sum is σ = 124837947882. Its totient is φ = 124837947880.

The previous prime is 124837947859. The next prime is 124837947907. The reversal of 124837947881 is 188749738421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 116468625625 + 8369322256 = 341275^2 + 91484^2 .

It is a cyclic number.

It is not a de Polignac number, because 124837947881 - 2¹⁴ = 124837931497 is a prime.

It is a super-2 number, since 2×124837947881² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (124837947821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62418973940 + 62418973941.

It is an arithmetic number, because the mean of its divisors is an integer number (62418973941).

Almost surely, 2^124837947881 is an apocalyptic number.

It is an amenable number.

124837947881 is a deficient number, since it is larger than the sum of its proper divisors (1).

124837947881 is an equidigital number, since it uses as much as digits as its factorization.

124837947881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21676032, while the sum is 62.

The spelling of 124837947881 in words is "one hundred twenty-four billion, eight hundred thirty-seven million, nine hundred forty-seven thousand, eight hundred eighty-one".