126502022503 has 16 divisors (see below), whose sum is σ = 134082345600. Its totient is φ = 119137419520.

The previous prime is 126502022483. The next prime is 126502022509. The reversal of 126502022503 is 305220205621.

It is not a de Polignac number, because 126502022503 - 2³³ = 117912087911 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 (126502022509) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10329858 + ... + 10342096.

It is an arithmetic number, because the mean of its divisors is an integer number (8380146600).

Almost surely, 2^126502022503 is an apocalyptic number.

126502022503 is a deficient number, since it is larger than the sum of its proper divisors (7580323097).

126502022503 is a wasteful number, since it uses less digits than its factorization.

126502022503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21002.

The product of its (nonzero) digits is 7200, while the sum is 28.

It can be divided in two parts, 12650 and 2022503, that added together give a triangular number (2035153 = T₂₀₁₇).

The spelling of 126502022503 in words is "one hundred twenty-six billion, five hundred two million, twenty-two thousand, five hundred three".