1142126766 has 24 divisors (see below), whose sum is σ = 2699572824. Its totient is φ = 346098960.

The previous prime is 1142126731. The next prime is 1142126899. The reversal of 1142126766 is 6676212411.

It is a super-2 number, since 2×1142126766² = 2608907099227237512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1142126766.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2883961 + ... + 2884356.

It is an arithmetic number, because the mean of its divisors is an integer number (112482201).

Almost surely, 2^1142126766 is an apocalyptic number.

1142126766 is an abundant number, since it is smaller than the sum of its proper divisors (1557446058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142126766 is a wasteful number, since it uses less digits than its factorization.

1142126766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5768336 (or 5768333 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 1142126766 is about 33795.3660432906. The cubic root of 1142126766 is about 1045.2931470031.

The spelling of 1142126766 in words is "one billion, one hundred forty-two million, one hundred twenty-six thousand, seven hundred sixty-six".