125664285 has 8 divisors (see below), whose sum is σ = 201062880. Its totient is φ = 67020944.

The previous prime is 125664263. The next prime is 125664299. The reversal of 125664285 is 582466521.

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

It is a cyclic number.

It is not a de Polignac number, because 125664285 - 2¹¹ = 125662237 is a prime.

It is a super-2 number, since 2×125664285² = 31583025049122450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4188795 + ... + 4188824.

It is an arithmetic number, because the mean of its divisors is an integer number (25132860).

Almost surely, 2^125664285 is an apocalyptic number.

125664285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125664285 is a deficient number, since it is larger than the sum of its proper divisors (75398595).

125664285 is an equidigital number, since it uses as much as digits as its factorization.

125664285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8377627.

The product of its digits is 115200, while the sum is 39.

The square root of 125664285 is about 11210.0082515581. The cubic root of 125664285 is about 500.8841489730.

The spelling of 125664285 in words is "one hundred twenty-five million, six hundred sixty-four thousand, two hundred eighty-five".