38232121 has 4 divisors (see below), whose sum is σ = 39550500. Its totient is φ = 36913744.

The previous prime is 38232119. The next prime is 38232149. The reversal of 38232121 is 12123283.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13838400 + 24393721 = 3720^2 + 4939^2 .

It is a cyclic number.

It is not a de Polignac number, because 38232121 - 2¹ = 38232119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 38232092 and 38232101.

It is not an unprimeable number, because it can be changed into a prime (38232191) 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 3 ways as a sum of consecutive naturals, for example, 659146 + ... + 659203.

It is an arithmetic number, because the mean of its divisors is an integer number (9887625).

Almost surely, 2^38232121 is an apocalyptic number.

It is an amenable number.

38232121 is a deficient number, since it is larger than the sum of its proper divisors (1318379).

38232121 is a wasteful number, since it uses less digits than its factorization.

38232121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1318378.

The product of its digits is 576, while the sum is 22.

The square root of 38232121 is about 6183.2128379994. The cubic root of 38232121 is about 336.8806998759.

The spelling of 38232121 in words is "thirty-eight million, two hundred thirty-two thousand, one hundred twenty-one".