1142653126 has 16 divisors (see below), whose sum is σ = 1739646720. Its totient is φ = 562785160.

The previous prime is 1142653121. The next prime is 1142653139. The reversal of 1142653126 is 6213562411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142653121) by changing a digit.

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, 199815 + ... + 205453.

It is an arithmetic number, because the mean of its divisors is an integer number (108727920).

Almost surely, 2^1142653126 is an apocalyptic number.

1142653126 is a deficient number, since it is larger than the sum of its proper divisors (596993594).

1142653126 is a wasteful number, since it uses less digits than its factorization.

1142653126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7139.

The product of its digits is 8640, while the sum is 31.

The square root of 1142653126 is about 33803.1526044539. The cubic root of 1142653126 is about 1045.4537001095.

The spelling of 1142653126 in words is "one billion, one hundred forty-two million, six hundred fifty-three thousand, one hundred twenty-six".