125528699 has 4 divisors (see below), whose sum is σ = 125587440. Its totient is φ = 125469960.

The previous prime is 125528693. The next prime is 125528717. The reversal of 125528699 is 996825521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125528699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125528693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26039 + ... + 30480.

It is an arithmetic number, because the mean of its divisors is an integer number (31396860).

Almost surely, 2^125528699 is an apocalyptic number.

125528699 is a deficient number, since it is larger than the sum of its proper divisors (58741).

125528699 is an equidigital number, since it uses as much as digits as its factorization.

125528699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58740.

The product of its digits is 388800, while the sum is 47.

The square root of 125528699 is about 11203.9590770406. The cubic root of 125528699 is about 500.7039404705.

The spelling of 125528699 in words is "one hundred twenty-five million, five hundred twenty-eight thousand, six hundred ninety-nine".