124981633 has 4 divisors (see below), whose sum is σ = 142836160. Its totient is φ = 107127108.

The previous prime is 124981627. The next prime is 124981657. The reversal of 124981633 is 336189421.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 336189421 = 12071 ⋅27851.

It is a cyclic number.

It is not a de Polignac number, because 124981633 - 2⁹ = 124981121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124981592 and 124981601.

It is not an unprimeable number, because it can be changed into a prime (124981663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8927253 + ... + 8927266.

It is an arithmetic number, because the mean of its divisors is an integer number (35709040).

Almost surely, 2^124981633 is an apocalyptic number.

It is an amenable number.

124981633 is a deficient number, since it is larger than the sum of its proper divisors (17854527).

124981633 is an equidigital number, since it uses as much as digits as its factorization.

124981633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17854526.

The product of its digits is 31104, while the sum is 37.

The square root of 124981633 is about 11179.5184601127. The cubic root of 124981633 is about 499.9755094671.

The spelling of 124981633 in words is "one hundred twenty-four million, nine hundred eighty-one thousand, six hundred thirty-three".