125281739801 has 16 divisors (see below), whose sum is σ = 132640791360. Its totient is φ = 118001188800.

The previous prime is 125281739789. The next prime is 125281739809. The reversal of 125281739801 is 108937182521.

It is a cyclic number.

It is not a de Polignac number, because 125281739801 - 2¹⁴ = 125281723417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125281739809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2288651 + ... + 2342751.

It is an arithmetic number, because the mean of its divisors is an integer number (8290049460).

Almost surely, 2^125281739801 is an apocalyptic number.

It is an amenable number.

125281739801 is a deficient number, since it is larger than the sum of its proper divisors (7359051559).

125281739801 is a wasteful number, since it uses less digits than its factorization.

125281739801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54824.

The product of its (nonzero) digits is 241920, while the sum is 47.

The spelling of 125281739801 in words is "one hundred twenty-five billion, two hundred eighty-one million, seven hundred thirty-nine thousand, eight hundred one".