1612043 has 4 divisors (see below), whose sum is σ = 1628760. Its totient is φ = 1595328.

The previous prime is 1612033. The next prime is 1612063. The reversal of 1612043 is 3402161.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3402161 = 7 ⋅486023.

It is a cyclic number.

It is not a de Polignac number, because 1612043 - 2²⁰ = 563467 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1612033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8213 + ... + 8406.

It is an arithmetic number, because the mean of its divisors is an integer number (407190).

2^1612043 is an apocalyptic number.

1612043 is a deficient number, since it is larger than the sum of its proper divisors (16717).

1612043 is an equidigital number, since it uses as much as digits as its factorization.

1612043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16716.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1612043 is about 1269.6625535945. The cubic root of 1612043 is about 117.2534258860.

The spelling of 1612043 in words is "one million, six hundred twelve thousand, forty-three".