38121103 has 16 divisors (see below), whose sum is σ = 40884480. Its totient is φ = 35481600.

The previous prime is 38121079. The next prime is 38121113. The reversal of 38121103 is 30112183.

It is a cyclic number.

It is not a de Polignac number, because 38121103 - 2⁵ = 38121071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38121113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112951 + ... + 113287.

It is an arithmetic number, because the mean of its divisors is an integer number (2555280).

Almost surely, 2^38121103 is an apocalyptic number.

38121103 is a deficient number, since it is larger than the sum of its proper divisors (2763377).

38121103 is a wasteful number, since it uses less digits than its factorization.

38121103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 38121103 is about 6174.2289397138. The cubic root of 38121103 is about 336.5543069593.

Adding to 38121103 its reverse (30112183), we get a palindrome (68233286).

The spelling of 38121103 in words is "thirty-eight million, one hundred twenty-one thousand, one hundred three".