1724122 has 4 divisors (see below), whose sum is σ = 2586186. Its totient is φ = 862060.

The previous prime is 1724113. The next prime is 1724131. The reversal of 1724122 is 2214271.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (1724113) and next prime (1724131).

It can be written as a sum of positive squares in only one way, i.e., 1540081 + 184041 = 1241^2 + 429^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1724122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431029 + ... + 431032.

2^1724122 is an apocalyptic number.

1724122 is a deficient number, since it is larger than the sum of its proper divisors (862064).

1724122 is an equidigital number, since it uses as much as digits as its factorization.

1724122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862063.

The product of its digits is 224, while the sum is 19.

The square root of 1724122 is about 1313.0582622260. The cubic root of 1724122 is about 119.9101642444.

Adding to 1724122 its reverse (2214271), we get a palindrome (3938393).

The spelling of 1724122 in words is "one million, seven hundred twenty-four thousand, one hundred twenty-two".