1971973103 has 8 divisors (see below), whose sum is σ = 2058156000. Its totient is φ = 1885827328.

The previous prime is 1971973051. The next prime is 1971973109. The reversal of 1971973103 is 3013791791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1971973103 - 2⁶ = 1971973039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1971973109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198683 + ... + 208371.

It is an arithmetic number, because the mean of its divisors is an integer number (257269500).

Almost surely, 2^1971973103 is an apocalyptic number.

1971973103 is a deficient number, since it is larger than the sum of its proper divisors (86182897).

1971973103 is an equidigital number, since it uses as much as digits as its factorization.

1971973103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18561.

The product of its (nonzero) digits is 35721, while the sum is 41.

The square root of 1971973103 is about 44406.9037763274. The cubic root of 1971973103 is about 1254.0080632471.

The spelling of 1971973103 in words is "one billion, nine hundred seventy-one million, nine hundred seventy-three thousand, one hundred three".