126188982045 has 24 divisors (see below), whose sum is σ = 249974365056. Its totient is φ = 57686391648.

The previous prime is 126188982043. The next prime is 126188982053. The reversal of 126188982045 is 540289881621.

126188982045 is a `hidden beast` number, since 12 + 618 + 8 + 9 + 8 + 2 + 0 + 4 + 5 = 666.

It is not a de Polignac number, because 126188982045 - 2¹ = 126188982043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 126188981982 and 126188982000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126188982043) 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, 200299657 + ... + 200300286.

It is an arithmetic number, because the mean of its divisors is an integer number (10415598544).

Almost surely, 2^126188982045 is an apocalyptic number.

126188982045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

126188982045 is a deficient number, since it is larger than the sum of its proper divisors (123785383011).

126188982045 is a wasteful number, since it uses less digits than its factorization.

126188982045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400599961 (or 400599958 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 54.

The spelling of 126188982045 in words is "one hundred twenty-six billion, one hundred eighty-eight million, nine hundred eighty-two thousand, forty-five".