1242124532 has 36 divisors (see below), whose sum is σ = 2398058628. Its totient is φ = 562531200.

The previous prime is 1242124529. The next prime is 1242124553. The reversal of 1242124532 is 2354212421.

It can be written as a sum of positive squares in 2 ways, for example, as 919059856 + 323064676 = 30316^2 + 17974^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 131438 + ... + 140570.

Almost surely, 2^1242124532 is an apocalyptic number.

It is an amenable number.

1242124532 is a deficient number, since it is larger than the sum of its proper divisors (1155934096).

1242124532 is a wasteful number, since it uses less digits than its factorization.

1242124532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9440 (or 9427 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 1242124532 is about 35243.7871404309. The cubic root of 1242124532 is about 1074.9502863616.

Adding to 1242124532 its reverse (2354212421), we get a palindrome (3596336953).

The spelling of 1242124532 in words is "one billion, two hundred forty-two million, one hundred twenty-four thousand, five hundred thirty-two".