1672111 has 8 divisors (see below), whose sum is σ = 1977120. Its totient is φ = 1383648.

The previous prime is 1672091. The next prime is 1672117. The reversal of 1672111 is 1112761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1672111 - 2⁵ = 1672079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672117) 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, 3916 + ... + 4321.

It is an arithmetic number, because the mean of its divisors is an integer number (247140).

2^1672111 is an apocalyptic number.

1672111 is a deficient number, since it is larger than the sum of its proper divisors (305009).

1672111 is an equidigital number, since it uses as much as digits as its factorization.

1672111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8273.

The product of its digits is 84, while the sum is 19.

The square root of 1672111 is about 1293.1013108028. The cubic root of 1672111 is about 118.6920692507.

Adding to 1672111 its reverse (1112761), we get a palindrome (2784872).

It can be divided in two parts, 167 and 2111, that added together give a triangular number (2278 = T₆₇).

The spelling of 1672111 in words is "one million, six hundred seventy-two thousand, one hundred eleven".