125725993 has 8 divisors (see below), whose sum is σ = 127820448. Its totient is φ = 123645504.

The previous prime is 125725973. The next prime is 125726053. The reversal of 125725993 is 399527521.

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

It is a cyclic number.

It is not a de Polignac number, because 125725993 - 2⁵ = 125725961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125725913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15505 + ... + 22177.

It is an arithmetic number, because the mean of its divisors is an integer number (15977556).

Almost surely, 2^125725993 is an apocalyptic number.

It is an amenable number.

125725993 is a deficient number, since it is larger than the sum of its proper divisors (2094455).

125725993 is an equidigital number, since it uses as much as digits as its factorization.

125725993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6983.

The product of its digits is 170100, while the sum is 43.

The square root of 125725993 is about 11212.7602756859. The cubic root of 125725993 is about 500.9661226782.

The spelling of 125725993 in words is "one hundred twenty-five million, seven hundred twenty-five thousand, nine hundred ninety-three".