103120403 has 2 divisors, whose sum is σ = 103120404. Its totient is φ = 103120402.

The previous prime is 103120387. The next prime is 103120411. The reversal of 103120403 is 304021301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103120403 - 2⁴ = 103120387 is a prime.

It is not a weakly prime, because it can be changed into another prime (103120463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51560201 + 51560202.

It is an arithmetic number, because the mean of its divisors is an integer number (51560202).

Almost surely, 2^103120403 is an apocalyptic number.

103120403 is a deficient number, since it is larger than the sum of its proper divisors (1).

103120403 is an equidigital number, since it uses as much as digits as its factorization.

103120403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 103120403 is about 10154.8216626389. The cubic root of 103120403 is about 468.9373956986.

Adding to 103120403 its reverse (304021301), we get a palindrome (407141704).

The spelling of 103120403 in words is "one hundred three million, one hundred twenty thousand, four hundred three".