125887807 has 4 divisors (see below), whose sum is σ = 129948736. Its totient is φ = 121826880.

The previous prime is 125887777. The next prime is 125887813. The reversal of 125887807 is 708788521.

It is a happy number.

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-125887807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125887897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2030418 + ... + 2030479.

It is an arithmetic number, because the mean of its divisors is an integer number (32487184).

Almost surely, 2^125887807 is an apocalyptic number.

125887807 is a deficient number, since it is larger than the sum of its proper divisors (4060929).

125887807 is an equidigital number, since it uses as much as digits as its factorization.

125887807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4060928.

The product of its (nonzero) digits is 250880, while the sum is 46.

The square root of 125887807 is about 11219.9735739439. The cubic root of 125887807 is about 501.1809511793.

The spelling of 125887807 in words is "one hundred twenty-five million, eight hundred eighty-seven thousand, eight hundred seven".