126260503 has 4 divisors (see below), whose sum is σ = 126283120. Its totient is φ = 126237888.

The previous prime is 126260483. The next prime is 126260509. The reversal of 126260503 is 305062621.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 305062621 = 347 ⋅879143.

It is a cyclic number.

It is not a de Polignac number, because 126260503 - 2¹³ = 126252311 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 (126260509) 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, 3751 + ... + 16327.

It is an arithmetic number, because the mean of its divisors is an integer number (31570780).

Almost surely, 2^126260503 is an apocalyptic number.

126260503 is a deficient number, since it is larger than the sum of its proper divisors (22617).

126260503 is a wasteful number, since it uses less digits than its factorization.

126260503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22616.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 126260503 is about 11236.5698947677. The cubic root of 126260503 is about 501.6750527964.

The spelling of 126260503 in words is "one hundred twenty-six million, two hundred sixty thousand, five hundred three".