125002105 has 8 divisors (see below), whose sum is σ = 158826312. Its totient is φ = 94119168.

The previous prime is 125002099. The next prime is 125002109. The reversal of 125002105 is 501200521.

It can be written as a sum of positive squares in 4 ways, for example, as 746496 + 124255609 = 864^2 + 11147^2 .

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 125002105 - 2¹⁵ = 124969337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125002109) 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, 735222 + ... + 735391.

It is an arithmetic number, because the mean of its divisors is an integer number (19853289).

Almost surely, 2^125002105 is an apocalyptic number.

It is an amenable number.

125002105 is a deficient number, since it is larger than the sum of its proper divisors (33824207).

125002105 is a wasteful number, since it uses less digits than its factorization.

125002105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1470635.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 125002105 is about 11180.4340255645. The cubic root of 125002105 is about 500.0028066509.

Adding to 125002105 its reverse (501200521), we get a palindrome (626202626).

The spelling of 125002105 in words is "one hundred twenty-five million, two thousand, one hundred five".