1970242 has 4 divisors (see below), whose sum is σ = 2955366. Its totient is φ = 985120.

The previous prime is 1970237. The next prime is 1970257. The reversal of 1970242 is 2420791.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2420791 = 1021 ⋅2371.

It can be written as a sum of positive squares in only one way, i.e., 1879641 + 90601 = 1371^2 + 301^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492559 + ... + 492562.

2^1970242 is an apocalyptic number.

1970242 is a deficient number, since it is larger than the sum of its proper divisors (985124).

1970242 is an equidigital number, since it uses as much as digits as its factorization.

1970242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 985123.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 1970242 is about 1403.6530910449. The cubic root of 1970242 is about 125.3641010802.

The spelling of 1970242 in words is "one million, nine hundred seventy thousand, two hundred forty-two".