1712091 has 4 divisors (see below), whose sum is σ = 2282792. Its totient is φ = 1141392.

The previous prime is 1712077. The next prime is 1712129. The reversal of 1712091 is 1902171.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1712091 - 2¹³ = 1703899 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1712791) 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, 285346 + ... + 285351.

It is an arithmetic number, because the mean of its divisors is an integer number (570698).

2^1712091 is an apocalyptic number.

1712091 is a deficient number, since it is larger than the sum of its proper divisors (570701).

1712091 is an equidigital number, since it uses as much as digits as its factorization.

1712091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570700.

The product of its (nonzero) digits is 126, while the sum is 21.

The square root of 1712091 is about 1308.4689526313. The cubic root of 1712091 is about 119.6306001425.

The spelling of 1712091 in words is "one million, seven hundred twelve thousand, ninety-one".