1672142 has 4 divisors (see below), whose sum is σ = 2508216. Its totient is φ = 836070.

The previous prime is 1672129. The next prime is 1672199. The reversal of 1672142 is 2412761.

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 418034 + ... + 418037.

It is an arithmetic number, because the mean of its divisors is an integer number (627054).

2^1672142 is an apocalyptic number.

1672142 is a deficient number, since it is larger than the sum of its proper divisors (836074).

1672142 is an equidigital number, since it uses as much as digits as its factorization.

1672142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836073.

The product of its digits is 672, while the sum is 23.

The square root of 1672142 is about 1293.1132974338. The cubic root of 1672142 is about 118.6928027410.

The spelling of 1672142 in words is "one million, six hundred seventy-two thousand, one hundred forty-two".