1974122 has 4 divisors (see below), whose sum is σ = 2961186. Its totient is φ = 987060.

The previous prime is 1974121. The next prime is 1974149. The reversal of 1974122 is 2214791.

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., 1852321 + 121801 = 1361^2 + 349^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1974091 and 1974100.

It is not an unprimeable number, because it can be changed into a prime (1974121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 493529 + ... + 493532.

2^1974122 is an apocalyptic number.

1974122 is a deficient number, since it is larger than the sum of its proper divisors (987064).

1974122 is an equidigital number, since it uses as much as digits as its factorization.

1974122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987063.

The product of its digits is 1008, while the sum is 26.

The square root of 1974122 is about 1405.0345191489. The cubic root of 1974122 is about 125.4463403454.

The spelling of 1974122 in words is "one million, nine hundred seventy-four thousand, one hundred twenty-two".