126291348529 has 16 divisors (see below), whose sum is σ = 130252976640. Its totient is φ = 122392045440.

The previous prime is 126291348503. The next prime is 126291348551. The reversal of 126291348529 is 925843192621.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 126291348529 - 2²⁹ = 125754477617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (126291348629) 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, 11153779 + ... + 11165095.

It is an arithmetic number, because the mean of its divisors is an integer number (8140811040).

Almost surely, 2^126291348529 is an apocalyptic number.

It is an amenable number.

126291348529 is a deficient number, since it is larger than the sum of its proper divisors (3961628111).

126291348529 is a wasteful number, since it uses less digits than its factorization.

126291348529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14040.

The product of its digits is 1866240, while the sum is 52.

The spelling of 126291348529 in words is "one hundred twenty-six billion, two hundred ninety-one million, three hundred forty-eight thousand, five hundred twenty-nine".