1972202 has 4 divisors (see below), whose sum is σ = 2958306. Its totient is φ = 986100.

The previous prime is 1972177. The next prime is 1972207. The reversal of 1972202 is 2022791.

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., 1234321 + 737881 = 1111^2 + 859^2 .

It is not an unprimeable number, because it can be changed into a prime (1972207) 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, 493049 + ... + 493052.

2^1972202 is an apocalyptic number.

1972202 is a deficient number, since it is larger than the sum of its proper divisors (986104).

1972202 is an equidigital number, since it uses as much as digits as its factorization.

1972202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 986103.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 1972202 is about 1404.3510957022. The cubic root of 1972202 is about 125.4056581079.

Adding to 1972202 its reverse (2022791), we get a palindrome (3994993).

The spelling of 1972202 in words is "one million, nine hundred seventy-two thousand, two hundred two".