103121384 has 16 divisors (see below), whose sum is σ = 197467200. Its totient is φ = 50463472.

The previous prime is 103121339. The next prime is 103121387. The reversal of 103121384 is 483121301.

It is not an unprimeable number, because it can be changed into a prime (103121387) 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, 136754 + ... + 137505.

It is an arithmetic number, because the mean of its divisors is an integer number (12341700).

Almost surely, 2^103121384 is an apocalyptic number.

It is an amenable number.

103121384 is a deficient number, since it is larger than the sum of its proper divisors (94345816).

103121384 is a wasteful number, since it uses less digits than its factorization.

103121384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274312 (or 274308 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 103121384 is about 10154.8699647017. The cubic root of 103121384 is about 468.9388827180.

Adding to 103121384 its reverse (483121301), we get a palindrome (586242685).

The spelling of 103121384 in words is "one hundred three million, one hundred twenty-one thousand, three hundred eighty-four".