125149683 has 4 divisors (see below), whose sum is σ = 166866248. Its totient is φ = 83433120.

The previous prime is 125149643. The next prime is 125149709. The reversal of 125149683 is 386941521.

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

It is not a de Polignac number, because 125149683 - 2¹⁴ = 125133299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125149603) 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, 20858278 + ... + 20858283.

It is an arithmetic number, because the mean of its divisors is an integer number (41716562).

Almost surely, 2^125149683 is an apocalyptic number.

125149683 is a deficient number, since it is larger than the sum of its proper divisors (41716565).

125149683 is an equidigital number, since it uses as much as digits as its factorization.

125149683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41716564.

The product of its digits is 51840, while the sum is 39.

The square root of 125149683 is about 11187.0319119952. The cubic root of 125149683 is about 500.1994977241.

The spelling of 125149683 in words is "one hundred twenty-five million, one hundred forty-nine thousand, six hundred eighty-three".