103426391 has 2 divisors, whose sum is σ = 103426392. Its totient is φ = 103426390.

The previous prime is 103426361. The next prime is 103426397. The reversal of 103426391 is 193624301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103426391 - 2¹⁰ = 103425367 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103426397) 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 as a sum of consecutive naturals, namely, 51713195 + 51713196.

It is an arithmetic number, because the mean of its divisors is an integer number (51713196).

Almost surely, 2^103426391 is an apocalyptic number.

103426391 is a deficient number, since it is larger than the sum of its proper divisors (1).

103426391 is an equidigital number, since it uses as much as digits as its factorization.

103426391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 103426391 is about 10169.8766462529. The cubic root of 103426391 is about 469.4007618884.

The spelling of 103426391 in words is "one hundred three million, four hundred twenty-six thousand, three hundred ninety-one".