125336742147 has 40 divisors (see below), whose sum is σ = 189691150176. Its totient is φ = 82467186048.

The previous prime is 125336742121. The next prime is 125336742191. The reversal of 125336742147 is 741247633521.

It is a happy number.

125336742147 is a `hidden beast` number, since 1 + 2 + 533 + 6 + 74 + 2 + 1 + 47 = 666.

It is not a de Polignac number, because 125336742147 - 2¹⁹ = 125336217859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125336742347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1887138 + ... + 1952424.

Almost surely, 2^125336742147 is an apocalyptic number.

125336742147 is a deficient number, since it is larger than the sum of its proper divisors (64354408029).

125336742147 is a wasteful number, since it uses less digits than its factorization.

125336742147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65609 (or 65600 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The spelling of 125336742147 in words is "one hundred twenty-five billion, three hundred thirty-six million, seven hundred forty-two thousand, one hundred forty-seven".