1983101 has 16 divisors (see below), whose sum is σ = 2239488. Its totient is φ = 1747200.

The previous prime is 1983097. The next prime is 1983103. The reversal of 1983101 is 1013891.

1983101 = T₁₃₈ + T₁₃₉ + ... + T₂₄₃.

It is a cyclic number.

It is not a de Polignac number, because 1983101 - 2² = 1983097 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 (1983103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27896 + ... + 27966.

It is an arithmetic number, because the mean of its divisors is an integer number (139968).

2^1983101 is an apocalyptic number.

It is an amenable number.

1983101 is a deficient number, since it is larger than the sum of its proper divisors (256387).

1983101 is a wasteful number, since it uses less digits than its factorization.

1983101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 1983101 is about 1408.2261892182. The cubic root of 1983101 is about 125.6362440535.

Adding to 1983101 its reverse (1013891), we get a palindrome (2996992).

The spelling of 1983101 in words is "one million, nine hundred eighty-three thousand, one hundred one".