8811142 has 4 divisors (see below), whose sum is σ = 13216716. Its totient is φ = 4405570.

The previous prime is 8811113. The next prime is 8811163. The reversal of 8811142 is 2411188.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2202784 + ... + 2202787.

It is an arithmetic number, because the mean of its divisors is an integer number (3304179).

Almost surely, 2^8811142 is an apocalyptic number.

8811142 is a deficient number, since it is larger than the sum of its proper divisors (4405574).

8811142 is a wasteful number, since it uses less digits than its factorization.

8811142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4405573.

The product of its digits is 512, while the sum is 25.

The square root of 8811142 is about 2968.3567844853. The cubic root of 8811142 is about 206.5431201688.

The spelling of 8811142 in words is "eight million, eight hundred eleven thousand, one hundred forty-two".