103134021 has 4 divisors (see below), whose sum is σ = 137512032. Its totient is φ = 68756012.

The previous prime is 103134013. The next prime is 103134041. The reversal of 103134021 is 120431301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 103134021 - 2³ = 103134013 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103134041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17189001 + ... + 17189006.

It is an arithmetic number, because the mean of its divisors is an integer number (34378008).

Almost surely, 2^103134021 is an apocalyptic number.

It is an amenable number.

103134021 is a deficient number, since it is larger than the sum of its proper divisors (34378011).

103134021 is an equidigital number, since it uses as much as digits as its factorization.

103134021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34378010.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 103134021 is about 10155.4921594180. The cubic root of 103134021 is about 468.9580372923.

Adding to 103134021 its reverse (120431301), we get a palindrome (223565322).

The spelling of 103134021 in words is "one hundred three million, one hundred thirty-four thousand, twenty-one".