1142251166 has 16 divisors (see below), whose sum is σ = 1959331680. Its totient is φ = 489239520.

The previous prime is 1142251163. The next prime is 1142251171. The reversal of 1142251166 is 6611522411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142251163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56 + ... + 47796.

It is an arithmetic number, because the mean of its divisors is an integer number (122458230).

Almost surely, 2^1142251166 is an apocalyptic number.

1142251166 is a deficient number, since it is larger than the sum of its proper divisors (817080514).

1142251166 is a wasteful number, since it uses less digits than its factorization.

1142251166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49459.

The product of its digits is 2880, while the sum is 29.

The square root of 1142251166 is about 33797.2064821932. The cubic root of 1142251166 is about 1045.3310965987.

Adding to 1142251166 its reverse (6611522411), we get a palindrome (7753773577).

The spelling of 1142251166 in words is "one billion, one hundred forty-two million, two hundred fifty-one thousand, one hundred sixty-six".