125530820735 has 8 divisors (see below), whose sum is σ = 154311057936. Its totient is φ = 97975274560.

The previous prime is 125530820717. The next prime is 125530820761. The reversal of 125530820735 is 537028035521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125530820735 - 2¹⁸ = 125530558591 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125530820692 and 125530820701.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306172529 + ... + 306172938.

It is an arithmetic number, because the mean of its divisors is an integer number (19288882242).

Almost surely, 2^125530820735 is an apocalyptic number.

125530820735 is a deficient number, since it is larger than the sum of its proper divisors (28780237201).

125530820735 is an equidigital number, since it uses as much as digits as its factorization.

125530820735 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612345513.

The product of its (nonzero) digits is 252000, while the sum is 41.

The spelling of 125530820735 in words is "one hundred twenty-five billion, five hundred thirty million, eight hundred twenty thousand, seven hundred thirty-five".