125174283849 has 40 divisors (see below), whose sum is σ = 188204856840. Its totient is φ = 82907712000.

The previous prime is 125174283823. The next prime is 125174283853. The reversal of 125174283849 is 948382471521.

125174283849 is a `hidden beast` number, since 1 + 2 + 517 + 4 + 2 + 83 + 8 + 49 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 30721325625 + 94452958224 = 175275^2 + 307332^2 .

It is not a de Polignac number, because 125174283849 - 2¹⁹ = 125173759561 is a prime.

It is a super-2 number, since 2×125174283849² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125174283795 and 125174283804.

It is not an unprimeable number, because it can be changed into a prime (125174288849) 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 39 ways as a sum of consecutive naturals, for example, 17604307 + ... + 17611415.

It is an arithmetic number, because the mean of its divisors is an integer number (4705121421).

Almost surely, 2^125174283849 is an apocalyptic number.

It is an amenable number.

125174283849 is a deficient number, since it is larger than the sum of its proper divisors (63030572991).

125174283849 is a wasteful number, since it uses less digits than its factorization.

125174283849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8503 (or 8494 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 54.

The spelling of 125174283849 in words is "one hundred twenty-five billion, one hundred seventy-four million, two hundred eighty-three thousand, eight hundred forty-nine".