126955012887 has 12 divisors (see below), whose sum is σ = 191352483504. Its totient is φ = 80956819680.

The previous prime is 126955012799. The next prime is 126955012897. The reversal of 126955012887 is 788210559621.

126955012887 is a `hidden beast` number, since 1 + 2 + 6 + 9 + 550 + 1 + 2 + 8 + 87 = 666.

It is not a de Polignac number, because 126955012887 - 2¹⁰ = 126955011863 is a prime.

It is a super-2 number, since 2×126955012887² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126955012897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 306654414 + ... + 306654827.

It is an arithmetic number, because the mean of its divisors is an integer number (15946040292).

Almost surely, 2^126955012887 is an apocalyptic number.

126955012887 is a deficient number, since it is larger than the sum of its proper divisors (64397470617).

126955012887 is a wasteful number, since it uses less digits than its factorization.

126955012887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613309270 (or 613309267 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 54.

The spelling of 126955012887 in words is "one hundred twenty-six billion, nine hundred fifty-five million, twelve thousand, eight hundred eighty-seven".