124489522243 has 4 divisors (see below), whose sum is σ = 124516258600. Its totient is φ = 124462785888.

The previous prime is 124489522237. The next prime is 124489522259. The reversal of 124489522243 is 342225984421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-124489522243 is a prime.

It is a super-2 number, since 2×124489522243² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 124489522193 and 124489522202.

It is not an unprimeable number, because it can be changed into a prime (124489522943) 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, 13361193 + ... + 13370506.

It is an arithmetic number, because the mean of its divisors is an integer number (31129064650).

Almost surely, 2^124489522243 is an apocalyptic number.

124489522243 is a deficient number, since it is larger than the sum of its proper divisors (26736357).

124489522243 is an equidigital number, since it uses as much as digits as its factorization.

124489522243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26736356.

The product of its digits is 1105920, while the sum is 46.

The spelling of 124489522243 in words is "one hundred twenty-four billion, four hundred eighty-nine million, five hundred twenty-two thousand, two hundred forty-three".