125805738 has 16 divisors (see below), whose sum is σ = 251830656. Its totient is φ = 41898720.

The previous prime is 125805737. The next prime is 125805739. The reversal of 125805738 is 837508521.

It is an interprime number because it is at equal distance from previous prime (125805737) and next prime (125805739).

It is a junction number, because it is equal to n+sod(n) for n = 125805696 and 125805705.

It is not an unprimeable number, because it can be changed into a prime (125805731) 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, 1131 + ... + 15902.

It is an arithmetic number, because the mean of its divisors is an integer number (15739416).

Almost surely, 2^125805738 is an apocalyptic number.

125805738 is an abundant number, since it is smaller than the sum of its proper divisors (126024918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125805738 is a wasteful number, since it uses less digits than its factorization.

125805738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18269.

The product of its (nonzero) digits is 67200, while the sum is 39.

The square root of 125805738 is about 11216.3157052572. The cubic root of 125805738 is about 501.0720172487.

The spelling of 125805738 in words is "one hundred twenty-five million, eight hundred five thousand, seven hundred thirty-eight".