38180121 has 32 divisors (see below), whose sum is σ = 60162048. Its totient is φ = 21086400.

The previous prime is 38180099. The next prime is 38180123. The reversal of 38180121 is 12108183.

It is not a de Polignac number, because 38180121 - 2¹⁵ = 38147353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 38180091 and 38180100.

It is not an unprimeable number, because it can be changed into a prime (38180123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 99496 + ... + 99878.

It is an arithmetic number, because the mean of its divisors is an integer number (1880064).

Almost surely, 2^38180121 is an apocalyptic number.

It is an amenable number.

38180121 is a deficient number, since it is larger than the sum of its proper divisors (21981927).

38180121 is a wasteful number, since it uses less digits than its factorization.

38180121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541.

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 38180121 is about 6179.0064735360. The cubic root of 38180121 is about 336.7278986536.

The spelling of 38180121 in words is "thirty-eight million, one hundred eighty thousand, one hundred twenty-one".