124143403240 has 32 divisors (see below), whose sum is σ = 279511394760. Its totient is φ = 49623808000.

The previous prime is 124143403207. The next prime is 124143403271. The reversal of 124143403240 is 42304341421.

It can be written as a sum of positive squares in 4 ways, for example, as 98233350084 + 25910053156 = 313422^2 + 160966^2 .

It is a junction number, because it is equal to n+sod(n) for n = 124143403199 and 124143403208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 988561 + ... + 1107040.

Almost surely, 2^124143403240 is an apocalyptic number.

124143403240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

124143403240 is an abundant number, since it is smaller than the sum of its proper divisors (155367991520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

124143403240 is a wasteful number, since it uses less digits than its factorization.

124143403240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2097093 (or 2097089 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 124143403240 its reverse (42304341421), we get a palindrome (166447744661).

The spelling of 124143403240 in words is "one hundred twenty-four billion, one hundred forty-three million, four hundred three thousand, two hundred forty".