125001335 has 4 divisors (see below), whose sum is σ = 150001608. Its totient is φ = 100001064.

The previous prime is 125001329. The next prime is 125001367. The reversal of 125001335 is 533100521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 533100521 = 31 ⋅17196791.

It is a cyclic number.

It is not a de Polignac number, because 125001335 - 2⁶ = 125001271 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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12500129 + ... + 12500138.

It is an arithmetic number, because the mean of its divisors is an integer number (37500402).

Almost surely, 2^125001335 is an apocalyptic number.

125001335 is a deficient number, since it is larger than the sum of its proper divisors (25000273).

125001335 is an equidigital number, since it uses as much as digits as its factorization.

125001335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25000272.

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 125001335 is about 11180.3995903545. The cubic root of 125001335 is about 500.0017799937.

Adding to 125001335 its reverse (533100521), we get a palindrome (658101856).

The spelling of 125001335 in words is "one hundred twenty-five million, one thousand, three hundred thirty-five".