1132261142 has 4 divisors (see below), whose sum is σ = 1698391716. Its totient is φ = 566130570.

The previous prime is 1132261127. The next prime is 1132261147. The reversal of 1132261142 is 2411622311.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1132261147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283065284 + ... + 283065287.

It is an arithmetic number, because the mean of its divisors is an integer number (424597929).

Almost surely, 2^1132261142 is an apocalyptic number.

1132261142 is a deficient number, since it is larger than the sum of its proper divisors (566130574).

1132261142 is an equidigital number, since it uses as much as digits as its factorization.

1132261142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566130573.

The product of its digits is 576, while the sum is 23.

The square root of 1132261142 is about 33649.0882788821. The cubic root of 1132261142 is about 1042.2747122671.

Adding to 1132261142 its reverse (2411622311), we get a palindrome (3543883453).

The spelling of 1132261142 in words is "one billion, one hundred thirty-two million, two hundred sixty-one thousand, one hundred forty-two".