1155131422 has 16 divisors (see below), whose sum is σ = 1805353200. Its totient is φ = 553633920.

The previous prime is 1155131363. The next prime is 1155131437. The reversal of 1155131422 is 2241315511.

It is a congruent number.

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, 63579 + ... + 79702.

It is an arithmetic number, because the mean of its divisors is an integer number (112834575).

Almost surely, 2^1155131422 is an apocalyptic number.

1155131422 is a deficient number, since it is larger than the sum of its proper divisors (650221778).

1155131422 is a wasteful number, since it uses less digits than its factorization.

1155131422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143451.

The product of its digits is 1200, while the sum is 25.

The square root of 1155131422 is about 33987.2243938807. The cubic root of 1155131422 is about 1049.2455417768.

Adding to 1155131422 its reverse (2241315511), we get a palindrome (3396446933).

The spelling of 1155131422 in words is "one billion, one hundred fifty-five million, one hundred thirty-one thousand, four hundred twenty-two".