125021335 has 16 divisors (see below), whose sum is σ = 155629152. Its totient is φ = 96336000.

The previous prime is 125021317. The next prime is 125021381. The reversal of 125021335 is 533120521.

It is not a de Polignac number, because 125021335 - 2⁷ = 125021207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15340 + ... + 22030.

It is an arithmetic number, because the mean of its divisors is an integer number (9726822).

Almost surely, 2^125021335 is an apocalyptic number.

125021335 is a deficient number, since it is larger than the sum of its proper divisors (30607817).

125021335 is a wasteful number, since it uses less digits than its factorization.

125021335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6834.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 125021335 is about 11181.2939769957. The cubic root of 125021335 is about 500.0284450484.

Adding to 125021335 its reverse (533120521), we get a palindrome (658141856).

The spelling of 125021335 in words is "one hundred twenty-five million, twenty-one thousand, three hundred thirty-five".