1142052777 has 20 divisors (see below), whose sum is σ = 1707806100. Its totient is φ = 760575744.

The previous prime is 1142052733. The next prime is 1142052811. The reversal of 1142052777 is 7772502411.

It can be written as a sum of positive squares in 2 ways, for example, as 651474576 + 490578201 = 25524^2 + 22149^2 .

It is not a de Polignac number, because 1142052777 - 2¹⁹ = 1141528489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142052377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 76849 + ... + 90497.

It is an arithmetic number, because the mean of its divisors is an integer number (85390305).

Almost surely, 2^1142052777 is an apocalyptic number.

It is an amenable number.

1142052777 is a deficient number, since it is larger than the sum of its proper divisors (565753323).

1142052777 is a wasteful number, since it uses less digits than its factorization.

1142052777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14694 (or 14685 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 36.

The square root of 1142052777 is about 33794.2713636498. The cubic root of 1142052777 is about 1045.2705745336.

The spelling of 1142052777 in words is "one billion, one hundred forty-two million, fifty-two thousand, seven hundred seventy-seven".