1860142 has 4 divisors (see below), whose sum is σ = 2790216. Its totient is φ = 930070.

The previous prime is 1860139. The next prime is 1860143. The reversal of 1860142 is 2410681.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1860143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 465034 + ... + 465037.

It is an arithmetic number, because the mean of its divisors is an integer number (697554).

2^1860142 is an apocalyptic number.

1860142 is a deficient number, since it is larger than the sum of its proper divisors (930074).

1860142 is an equidigital number, since it uses as much as digits as its factorization.

1860142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930073.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1860142 is about 1363.8702284308. The cubic root of 1860142 is about 122.9840241881.

It can be divided in two parts, 1860 and 142, that added together give a palindrome (2002).

The spelling of 1860142 in words is "one million, eight hundred sixty thousand, one hundred forty-two".