125002005 has 32 divisors (see below), whose sum is σ = 203212800. Its totient is φ = 65608512.

The previous prime is 125001997. The next prime is 125002027. The reversal of 125002005 is 500200521.

It is not a de Polignac number, because 125002005 - 2³ = 125001997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 348016 + ... + 348374.

It is an arithmetic number, because the mean of its divisors is an integer number (6350400).

Almost surely, 2^125002005 is an apocalyptic number.

125002005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125002005 is a deficient number, since it is larger than the sum of its proper divisors (78210795).

125002005 is a wasteful number, since it uses less digits than its factorization.

125002005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 125002005 is about 11180.4295534653. The cubic root of 125002005 is about 500.0026733190.

Adding to 125002005 its reverse (500200521), we get a palindrome (625202526).

The spelling of 125002005 in words is "one hundred twenty-five million, two thousand, five".