126299287261275 has 24 divisors (see below), whose sum is σ = 208835414009904. Its totient is φ = 67352977161600.

The previous prime is 126299287261271. The next prime is 126299287261319. The reversal of 126299287261275 is 572162782992621.

It is not a de Polignac number, because 126299287261275 - 2² = 126299287261271 is a prime.

It is a super-2 number, since 2×126299287261275² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (126299287261271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82268244 + ... + 83789393.

It is an arithmetic number, because the mean of its divisors is an integer number (8701475583746).

Almost surely, 2^{126299287261275} is an apocalyptic number.

126299287261275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

126299287261275 is a deficient number, since it is larger than the sum of its proper divisors (82536126748629).

126299287261275 is a wasteful number, since it uses less digits than its factorization.

126299287261275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166067791 (or 166067786 counting only the distinct ones).

The product of its digits is 182891520, while the sum is 69.

The spelling of 126299287261275 in words is "one hundred twenty-six trillion, two hundred ninety-nine billion, two hundred eighty-seven million, two hundred sixty-one thousand, two hundred seventy-five".