1730122 has 4 divisors (see below), whose sum is σ = 2595186. Its totient is φ = 865060.

The previous prime is 1730119. The next prime is 1730147. The reversal of 1730122 is 2210371.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1713481 + 16641 = 1309^2 + 129^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1730096 and 1730105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432529 + ... + 432532.

2^1730122 is an apocalyptic number.

1730122 is a deficient number, since it is larger than the sum of its proper divisors (865064).

1730122 is an equidigital number, since it uses as much as digits as its factorization.

1730122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865063.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 1730122 is about 1315.3410204202. The cubic root of 1730122 is about 120.0491002773.

Adding to 1730122 its reverse (2210371), we get a palindrome (3940493).

Subtracting 1730122 from its reverse (2210371), we obtain a square (480249 = 693²).

The spelling of 1730122 in words is "one million, seven hundred thirty thousand, one hundred twenty-two".