8012142 has 32 divisors (see below), whose sum is σ = 18581760. Its totient is φ = 2554200.

The previous prime is 8012131. The next prime is 8012143. The reversal of 8012142 is 2412108.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8012143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1984 + ... + 4467.

It is an arithmetic number, because the mean of its divisors is an integer number (580680).

Almost surely, 2^8012142 is an apocalyptic number.

8012142 is an abundant number, since it is smaller than the sum of its proper divisors (10569618).

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

8012142 is a wasteful number, since it uses less digits than its factorization.

8012142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6485 (or 6479 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 8012142 is about 2830.5727335647. The cubic root of 8012142 is about 200.1011321861.

The spelling of 8012142 in words is "eight million, twelve thousand, one hundred forty-two".