125363061243 has 24 divisors (see below), whose sum is σ = 207814464000. Its totient is φ = 71336294064.

The previous prime is 125363061233. The next prime is 125363061269. The reversal of 125363061243 is 342160363521.

125363061243 is a `hidden beast` number, since 1 + 2 + 5 + 3 + 6 + 30 + 612 + 4 + 3 = 666.

It is not a de Polignac number, because 125363061243 - 2⁶ = 125363061179 is a prime.

It is a super-3 number, since 3×125363061243³ (a number of 34 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125363061198 and 125363061207.

It is not an unprimeable number, because it can be changed into a prime (125363061203) 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, 4147893 + ... + 4178006.

It is an arithmetic number, because the mean of its divisors is an integer number (8658936000).

Almost surely, 2^125363061243 is an apocalyptic number.

125363061243 is a deficient number, since it is larger than the sum of its proper divisors (82451402757).

125363061243 is a wasteful number, since it uses less digits than its factorization.

125363061243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8326151 (or 8326148 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 125363061243 in words is "one hundred twenty-five billion, three hundred sixty-three million, sixty-one thousand, two hundred forty-three".