125114861 has 4 divisors (see below), whose sum is σ = 126353724. Its totient is φ = 123876000.

The previous prime is 125114813. The next prime is 125114879. The reversal of 125114861 is 168411521.

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

It can be written as a sum of positive squares in 2 ways, for example, as 110901961 + 14212900 = 10531^2 + 3770^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125114861 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125114881) 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 3 ways as a sum of consecutive naturals, for example, 619280 + ... + 619481.

It is an arithmetic number, because the mean of its divisors is an integer number (31588431).

Almost surely, 2^125114861 is an apocalyptic number.

It is an amenable number.

125114861 is a deficient number, since it is larger than the sum of its proper divisors (1238863).

125114861 is a wasteful number, since it uses less digits than its factorization.

125114861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238862.

The product of its digits is 1920, while the sum is 29.

The square root of 125114861 is about 11185.4754480979. The cubic root of 125114861 is about 500.1531011153.

The spelling of 125114861 in words is "one hundred twenty-five million, one hundred fourteen thousand, eight hundred sixty-one".