1838101 has 2 divisors, whose sum is σ = 1838102. Its totient is φ = 1838100.

The previous prime is 1838087. The next prime is 1838131. The reversal of 1838101 is 1018381.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1311025 + 527076 = 1145^2 + 726^2 .

It is a cyclic number.

It is not a de Polignac number, because 1838101 - 2⁵ = 1838069 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1838131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 919050 + 919051.

It is an arithmetic number, because the mean of its divisors is an integer number (919051).

2^1838101 is an apocalyptic number.

It is an amenable number.

1838101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1838101 is an equidigital number, since it uses as much as digits as its factorization.

1838101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 1838101 is about 1355.7658352385. The cubic root of 1838101 is about 122.4963430812.

The spelling of 1838101 in words is "one million, eight hundred thirty-eight thousand, one hundred one".