1742122 has 4 divisors (see below), whose sum is σ = 2613186. Its totient is φ = 871060.

The previous prime is 1742101. The next prime is 1742161. The reversal of 1742122 is 2212471.

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., 1371241 + 370881 = 1171^2 + 609^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1742122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435529 + ... + 435532.

2^1742122 is an apocalyptic number.

1742122 is a deficient number, since it is larger than the sum of its proper divisors (871064).

1742122 is an equidigital number, since it uses as much as digits as its factorization.

1742122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871063.

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

The square root of 1742122 is about 1319.8946927691. The cubic root of 1742122 is about 120.3260116494.

Adding to 1742122 its reverse (2212471), we get a palindrome (3954593).

The spelling of 1742122 in words is "one million, seven hundred forty-two thousand, one hundred twenty-two".