125001075 has 18 divisors (see below), whose sum is σ = 206828652. Its totient is φ = 66615600.

The previous prime is 125001053. The next prime is 125001103. The reversal of 125001075 is 570100521.

It is not a de Polignac number, because 125001075 - 2⁷ = 125000947 is a prime.

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 96180 + ... + 97470.

Almost surely, 2^125001075 is an apocalyptic number.

125001075 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

125001075 is a deficient number, since it is larger than the sum of its proper divisors (81827577).

125001075 is an frugal number, since it uses more digits than its factorization.

125001075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2595 (or 1299 counting only the distinct ones).

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 125001075 is about 11180.3879628571. The cubic root of 125001075 is about 500.0014333292.

Adding to 125001075 its reverse (570100521), we get a palindrome (695101596).

The spelling of 125001075 in words is "one hundred twenty-five million, one thousand, seventy-five".