125461687 has 8 divisors (see below), whose sum is σ = 135369920. Its totient is φ = 115590240.

The previous prime is 125461663. The next prime is 125461691. The reversal of 125461687 is 786164521.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125461687 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 (125461657) 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, 1887 + ... + 15952.

It is an arithmetic number, because the mean of its divisors is an integer number (16921240).

Almost surely, 2^125461687 is an apocalyptic number.

125461687 is a deficient number, since it is larger than the sum of its proper divisors (9908233).

125461687 is a wasteful number, since it uses less digits than its factorization.

125461687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18393.

The product of its digits is 80640, while the sum is 40.

The square root of 125461687 is about 11200.9681278004. The cubic root of 125461687 is about 500.6148263339.

The spelling of 125461687 in words is "one hundred twenty-five million, four hundred sixty-one thousand, six hundred eighty-seven".