1372111 has 12 divisors (see below), whose sum is σ = 1554768. Its totient is φ = 1208064.

The previous prime is 1372109. The next prime is 1372127. The reversal of 1372111 is 1112731.

It is not a de Polignac number, because 1372111 - 2¹ = 1372109 is a prime.

It is a Duffinian number.

1372111 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1372171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3711 + ... + 4063.

It is an arithmetic number, because the mean of its divisors is an integer number (129564).

2^1372111 is an apocalyptic number.

1372111 is a deficient number, since it is larger than the sum of its proper divisors (182657).

1372111 is a wasteful number, since it uses less digits than its factorization.

1372111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 389 counting only the distinct ones).

The product of its digits is 42, while the sum is 16.

The square root of 1372111 is about 1171.3714184664. The cubic root of 1372111 is about 111.1210701814.

Adding to 1372111 its reverse (1112731), we get a palindrome (2484842).

The spelling of 1372111 in words is "one million, three hundred seventy-two thousand, one hundred eleven".