38230121 has 4 divisors (see below), whose sum is σ = 38262852. Its totient is φ = 38197392.

The previous prime is 38230111. The next prime is 38230189. The reversal of 38230121 is 12103283.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12103283 = 463 ⋅26141.

It can be written as a sum of positive squares in 2 ways, for example, as 2958400 + 35271721 = 1720^2 + 5939^2 .

It is a cyclic number.

It is not a de Polignac number, because 38230121 - 2⁶ = 38230057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 38230093 and 38230102.

It is not an unprimeable number, because it can be changed into a prime (38230111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14546 + ... + 16971.

It is an arithmetic number, because the mean of its divisors is an integer number (9565713).

Almost surely, 2^38230121 is an apocalyptic number.

It is an amenable number.

38230121 is a deficient number, since it is larger than the sum of its proper divisors (32731).

38230121 is a wasteful number, since it uses less digits than its factorization.

38230121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32730.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 38230121 is about 6183.0511076652. The cubic root of 38230121 is about 336.8748254686.

It can be divided in two parts, 382 and 30121, that added together give a palindrome (30503).

The spelling of 38230121 in words is "thirty-eight million, two hundred thirty thousand, one hundred twenty-one".