1361126042 has 16 divisors (see below), whose sum is σ = 2092659360. Its totient is φ = 663625872.

The previous prime is 1361126033. The next prime is 1361126057. The reversal of 1361126042 is 2406211631.

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, 39809 + ... + 65627.

It is an arithmetic number, because the mean of its divisors is an integer number (130791210).

Almost surely, 2^1361126042 is an apocalyptic number.

1361126042 is a deficient number, since it is larger than the sum of its proper divisors (731533318).

1361126042 is a wasteful number, since it uses less digits than its factorization.

1361126042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26477.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1361126042 is about 36893.4417207178. The cubic root of 1361126042 is about 1108.2373458144.

Adding to 1361126042 its reverse (2406211631), we get a palindrome (3767337673).

The spelling of 1361126042 in words is "one billion, three hundred sixty-one million, one hundred twenty-six thousand, forty-two".