125858580 has 24 divisors (see below), whose sum is σ = 352404192. Its totient is φ = 33562272.

The previous prime is 125858573. The next prime is 125858587. The reversal of 125858580 is 85858521.

It is an interprime number because it is at equal distance from previous prime (125858573) and next prime (125858587).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125858587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1048762 + ... + 1048881.

It is an arithmetic number, because the mean of its divisors is an integer number (14683508).

Almost surely, 2^125858580 is an apocalyptic number.

125858580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125858580 is an abundant number, since it is smaller than the sum of its proper divisors (226545612).

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

125858580 is a wasteful number, since it uses less digits than its factorization.

125858580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2097655 (or 2097653 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 42.

The square root of 125858580 is about 11218.6710442904. The cubic root of 125858580 is about 501.1421622773.

It can be divided in two parts, 125 and 858580, that added together give a triangular number (858705 = T₁₃₁₀).

The spelling of 125858580 in words is "one hundred twenty-five million, eight hundred fifty-eight thousand, five hundred eighty".