125864385 has 8 divisors (see below), whose sum is σ = 201383040. Its totient is φ = 67127664.

The previous prime is 125864381. The next prime is 125864429. The reversal of 125864385 is 583468521.

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

It is not a de Polignac number, because 125864385 - 2² = 125864381 is a prime.

It is a super-2 number, since 2×125864385² = 31683686822856450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (125864381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4195465 + ... + 4195494.

It is an arithmetic number, because the mean of its divisors is an integer number (25172880).

Almost surely, 2^125864385 is an apocalyptic number.

125864385 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125864385 is a deficient number, since it is larger than the sum of its proper divisors (75518655).

125864385 is an equidigital number, since it uses as much as digits as its factorization.

125864385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8390967.

The product of its digits is 230400, while the sum is 42.

The square root of 125864385 is about 11218.9297617910. The cubic root of 125864385 is about 501.1498669183.

The spelling of 125864385 in words is "one hundred twenty-five million, eight hundred sixty-four thousand, three hundred eighty-five".