126253003 has 4 divisors (see below), whose sum is σ = 131742288. Its totient is φ = 120763720.

The previous prime is 126252947. The next prime is 126253007. The reversal of 126253003 is 300352621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-126253003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126253007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2744608 + ... + 2744653.

It is an arithmetic number, because the mean of its divisors is an integer number (32935572).

Almost surely, 2^126253003 is an apocalyptic number.

126253003 is a deficient number, since it is larger than the sum of its proper divisors (5489285).

126253003 is an equidigital number, since it uses as much as digits as its factorization.

126253003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5489284.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 126253003 is about 11236.2361580736. The cubic root of 126253003 is about 501.6651192667.

The spelling of 126253003 in words is "one hundred twenty-six million, two hundred fifty-three thousand, three".