1612172 has 6 divisors (see below), whose sum is σ = 2821308. Its totient is φ = 806084.

The previous prime is 1612157. The next prime is 1612181. The reversal of 1612172 is 2712161.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201518 + ... + 201525.

It is an arithmetic number, because the mean of its divisors is an integer number (470218).

2^1612172 is an apocalyptic number.

It is an amenable number.

1612172 is a deficient number, since it is larger than the sum of its proper divisors (1209136).

1612172 is a wasteful number, since it uses less digits than its factorization.

1612172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403047 (or 403045 counting only the distinct ones).

The product of its digits is 168, while the sum is 20.

The square root of 1612172 is about 1269.7133534779. The cubic root of 1612172 is about 117.2565534470.

The spelling of 1612172 in words is "one million, six hundred twelve thousand, one hundred seventy-two".