1722124 has 12 divisors (see below), whose sum is σ = 3027024. Its totient is φ = 857264.

The previous prime is 1722113. The next prime is 1722131. The reversal of 1722124 is 4212271.

It is a happy number.

It is a super-2 number, since 2×1722124² = 5931422142752, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234 + ... + 1870.

It is an arithmetic number, because the mean of its divisors is an integer number (252252).

2^1722124 is an apocalyptic number.

It is an amenable number.

1722124 is a deficient number, since it is larger than the sum of its proper divisors (1304900).

1722124 is a wasteful number, since it uses less digits than its factorization.

1722124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904 (or 1902 counting only the distinct ones).

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

The square root of 1722124 is about 1312.2972224310. The cubic root of 1722124 is about 119.8638270142.

Adding to 1722124 its reverse (4212271), we get a palindrome (5934395).

The spelling of 1722124 in words is "one million, seven hundred twenty-two thousand, one hundred twenty-four".