103043251 has 4 divisors (see below), whose sum is σ = 108466600. Its totient is φ = 97619904.

The previous prime is 103043249. The next prime is 103043257. The reversal of 103043251 is 152340301.

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

It is a cyclic number.

It is not a de Polignac number, because 103043251 - 2¹ = 103043249 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 5423329 = 103043251 / (1 + 0 + 3 + 0 + 4 + 3 + 2 + 5 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103043257) 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, 2711646 + ... + 2711683.

It is an arithmetic number, because the mean of its divisors is an integer number (27116650).

Almost surely, 2^103043251 is an apocalyptic number.

103043251 is a deficient number, since it is larger than the sum of its proper divisors (5423349).

103043251 is an equidigital number, since it uses as much as digits as its factorization.

103043251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5423348.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 103043251 is about 10151.0221652797. The cubic root of 103043251 is about 468.8204176047.

Adding to 103043251 its reverse (152340301), we get a palindrome (255383552).

The spelling of 103043251 in words is "one hundred three million, forty-three thousand, two hundred fifty-one".