1127431242 has 48 divisors (see below), whose sum is σ = 2797441920. Its totient is φ = 321464736.

The previous prime is 1127431237. The next prime is 1127431259. The reversal of 1127431242 is 2421347211.

It is a super-2 number, since 2×1127431242² = 2542202410875325128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54484 + ... + 72272.

It is an arithmetic number, because the mean of its divisors is an integer number (58280040).

Almost surely, 2^1127431242 is an apocalyptic number.

1127431242 is an abundant number, since it is smaller than the sum of its proper divisors (1670010678).

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

1127431242 is a wasteful number, since it uses less digits than its factorization.

1127431242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18307 (or 18304 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 1127431242 is about 33577.2429183815. The cubic root of 1127431242 is about 1040.7905853757.

Adding to 1127431242 its reverse (2421347211), we get a palindrome (3548778453).

The spelling of 1127431242 in words is "one billion, one hundred twenty-seven million, four hundred thirty-one thousand, two hundred forty-two".