126273103 has 4 divisors (see below), whose sum is σ = 137752488. Its totient is φ = 114793720.

The previous prime is 126273089. The next prime is 126273109. The reversal of 126273103 is 301372621.

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 126273103 - 2¹³ = 126264911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126273109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5739676 + ... + 5739697.

It is an arithmetic number, because the mean of its divisors is an integer number (34438122).

Almost surely, 2^126273103 is an apocalyptic number.

126273103 is a deficient number, since it is larger than the sum of its proper divisors (11479385).

126273103 is a wasteful number, since it uses less digits than its factorization.

126273103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11479384.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 126273103 is about 11237.1305501004. The cubic root of 126273103 is about 501.6917402409.

The spelling of 126273103 in words is "one hundred twenty-six million, two hundred seventy-three thousand, one hundred three".