126263887625 has 24 divisors (see below), whose sum is σ = 158051591880. Its totient is φ = 100708005600.

The previous prime is 126263887621. The next prime is 126263887639. The reversal of 126263887625 is 526788362621.

It can be written as a sum of positive squares in 4 ways, for example, as 5900041 + 126257987584 = 2429^2 + 355328^2 .

It is not a de Polignac number, because 126263887625 - 2² = 126263887621 is a prime.

It is not an unprimeable number, because it can be changed into a prime (126263887621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15046931 + ... + 15055319.

It is an arithmetic number, because the mean of its divisors is an integer number (6585482995).

Almost surely, 2^126263887625 is an apocalyptic number.

It is an amenable number.

126263887625 is a deficient number, since it is larger than the sum of its proper divisors (31787704255).

126263887625 is an frugal number, since it uses more digits than its factorization.

126263887625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9098 (or 8741 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 56.

The spelling of 126263887625 in words is "one hundred twenty-six billion, two hundred sixty-three million, eight hundred eighty-seven thousand, six hundred twenty-five".