1972103 has 12 divisors (see below), whose sum is σ = 2317392. Its totient is φ = 1673280.

The previous prime is 1972099. The next prime is 1972111. The reversal of 1972103 is 3012791.

It is not a de Polignac number, because 1972103 - 2² = 1972099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1972123) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8063 + ... + 8303.

It is an arithmetic number, because the mean of its divisors is an integer number (193116).

2^1972103 is an apocalyptic number.

1972103 is a deficient number, since it is larger than the sum of its proper divisors (345289).

1972103 is a wasteful number, since it uses less digits than its factorization.

1972103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 415 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 1972103 is about 1404.3158476639. The cubic root of 1972103 is about 125.4035597143.

Adding to 1972103 its reverse (3012791), we get a palindrome (4984894).

The spelling of 1972103 in words is "one million, nine hundred seventy-two thousand, one hundred three".