2126012503 has 8 divisors (see below), whose sum is σ = 2265982560. Its totient is φ = 1987699200.

The previous prime is 2126012501. The next prime is 2126012513. The reversal of 2126012503 is 3052106212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2126012503 - 2¹ = 2126012501 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 (2126012501) 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 7 ways as a sum of consecutive naturals, for example, 411538 + ... + 416671.

It is an arithmetic number, because the mean of its divisors is an integer number (283247820).

Almost surely, 2^2126012503 is an apocalyptic number.

2126012503 is a deficient number, since it is larger than the sum of its proper divisors (139970057).

2126012503 is a wasteful number, since it uses less digits than its factorization.

2126012503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828377.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2126012503 is about 46108.7031155724. The cubic root of 2126012503 is about 1285.8449535210.

Adding to 2126012503 its reverse (3052106212), we get a palindrome (5178118715).

The spelling of 2126012503 in words is "two billion, one hundred twenty-six million, twelve thousand, five hundred three".