1126261442 has 16 divisors (see below), whose sum is σ = 1779138240. Its totient is φ = 533243088.

The previous prime is 1126261421. The next prime is 1126261457. The reversal of 1126261442 is 2441626211.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 94988 + ... + 106184.

It is an arithmetic number, because the mean of its divisors is an integer number (111196140).

Almost surely, 2^1126261442 is an apocalyptic number.

1126261442 is a deficient number, since it is larger than the sum of its proper divisors (652876798).

1126261442 is a wasteful number, since it uses less digits than its factorization.

1126261442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13865.

The product of its digits is 4608, while the sum is 29.

The square root of 1126261442 is about 33559.8188612513. The cubic root of 1126261442 is about 1040.4304930068.

Adding to 1126261442 its reverse (2441626211), we get a palindrome (3567887653).

The spelling of 1126261442 in words is "one billion, one hundred twenty-six million, two hundred sixty-one thousand, four hundred forty-two".