126783103 has 2 divisors, whose sum is σ = 126783104. Its totient is φ = 126783102.

The previous prime is 126783091. The next prime is 126783109. The reversal of 126783103 is 301387621.

It is a strong prime.

It is an emirp because it is prime and its reverse (301387621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126783103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126783109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63391551 + 63391552.

It is an arithmetic number, because the mean of its divisors is an integer number (63391552).

Almost surely, 2^126783103 is an apocalyptic number.

126783103 is a deficient number, since it is larger than the sum of its proper divisors (1).

126783103 is an equidigital number, since it uses as much as digits as its factorization.

126783103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 126783103 is about 11259.8003090641. The cubic root of 126783103 is about 502.3662546789.

The spelling of 126783103 in words is "one hundred twenty-six million, seven hundred eighty-three thousand, one hundred three".