125535017 has 4 divisors (see below), whose sum is σ = 128454480. Its totient is φ = 122615556.

The previous prime is 125535001. The next prime is 125535023. The reversal of 125535017 is 710535521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 125535017 - 2⁴ = 125535001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125235017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1459667 + ... + 1459752.

It is an arithmetic number, because the mean of its divisors is an integer number (32113620).

Almost surely, 2^125535017 is an apocalyptic number.

It is an amenable number.

125535017 is a deficient number, since it is larger than the sum of its proper divisors (2919463).

125535017 is an equidigital number, since it uses as much as digits as its factorization.

125535017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2919462.

The product of its (nonzero) digits is 5250, while the sum is 29.

The square root of 125535017 is about 11204.2410273967. The cubic root of 125535017 is about 500.7123406596.

The spelling of 125535017 in words is "one hundred twenty-five million, five hundred thirty-five thousand, seventeen".