1126878940629 has 24 divisors (see below), whose sum is σ = 1752993765432. Its totient is φ = 693435888000.

The previous prime is 1126878940597. The next prime is 1126878940657. The reversal of 1126878940629 is 9260498786211.

1126878940629 is a `hidden beast` number, since 1 + 126 + 8 + 7 + 89 + 406 + 29 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3274700625 + 1123604240004 = 57225^2 + 1060002^2 .

It is not a de Polignac number, because 1126878940629 - 2⁵ = 1126878940597 is a prime.

It is a super-2 number, since 2×1126878940629² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1126878940679) 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, 2918899 + ... + 3282335.

It is an arithmetic number, because the mean of its divisors is an integer number (73041406893).

Almost surely, 2^{1126878940629} is an apocalyptic number.

It is an amenable number.

1126878940629 is a deficient number, since it is larger than the sum of its proper divisors (626114824803).

1126878940629 is a wasteful number, since it uses less digits than its factorization.

1126878940629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389957 (or 389954 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 1126878940629 in words is "one trillion, one hundred twenty-six billion, eight hundred seventy-eight million, nine hundred forty thousand, six hundred twenty-nine".