1970203 has 4 divisors (see below), whose sum is σ = 2055888. Its totient is φ = 1884520.

The previous prime is 1970201. The next prime is 1970209. The reversal of 1970203 is 3020791.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1970203 - 2¹ = 1970201 is a prime.

It is a super-2 number, since 2×1970203² = 7763399722418, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1970201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42808 + ... + 42853.

It is an arithmetic number, because the mean of its divisors is an integer number (513972).

2^1970203 is an apocalyptic number.

1970203 is a deficient number, since it is larger than the sum of its proper divisors (85685).

1970203 is an equidigital number, since it uses as much as digits as its factorization.

1970203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85684.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 1970203 is about 1403.6391986547. The cubic root of 1970203 is about 125.3632739005.

Adding to 1970203 its reverse (3020791), we get a palindrome (4990994).

The spelling of 1970203 in words is "one million, nine hundred seventy thousand, two hundred three".