125005135 has 8 divisors (see below), whose sum is σ = 150784560. Its totient is φ = 99485184.

The previous prime is 125005121. The next prime is 125005151. The reversal of 125005135 is 531500521.

125005135 = T₃₄₆ + T₃₄₇ + ... + T₉₂₄.

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 125005135 - 2¹³ = 124996943 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63805 + ... + 65734.

It is an arithmetic number, because the mean of its divisors is an integer number (18848070).

Almost surely, 2^125005135 is an apocalyptic number.

125005135 is a deficient number, since it is larger than the sum of its proper divisors (25779425).

125005135 is a wasteful number, since it uses less digits than its factorization.

125005135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129737.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 125005135 is about 11180.5695293218. The cubic root of 125005135 is about 500.0068465729.

Adding to 125005135 its reverse (531500521), we get a palindrome (656505656).

The spelling of 125005135 in words is "one hundred twenty-five million, five thousand, one hundred thirty-five".