1836285121 has 8 divisors (see below), whose sum is σ = 2005925184. Its totient is φ = 1667095920.

The previous prime is 1836285091. The next prime is 1836285161. The reversal of 1836285121 is 1215826381.

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 1836285121 - 2⁷ = 1836284993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1836285161) 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, 104166 + ... + 120511.

It is an arithmetic number, because the mean of its divisors is an integer number (250740648).

Almost surely, 2^1836285121 is an apocalyptic number.

1836285121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1836285121 is a deficient number, since it is larger than the sum of its proper divisors (169640063).

1836285121 is a wasteful number, since it uses less digits than its factorization.

1836285121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225431.

The product of its digits is 23040, while the sum is 37.

The square root of 1836285121 is about 42851.8975192464. The cubic root of 1836285121 is about 1224.5599132194.

The spelling of 1836285121 in words is "one billion, eight hundred thirty-six million, two hundred eighty-five thousand, one hundred twenty-one".