125113305 has 8 divisors (see below), whose sum is σ = 200181312. Its totient is φ = 66727088.

The previous prime is 125113297. The next prime is 125113333. The reversal of 125113305 is 503311521.

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 125113305 - 2³ = 125113297 is a prime.

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, 4170429 + ... + 4170458.

It is an arithmetic number, because the mean of its divisors is an integer number (25022664).

Almost surely, 2^125113305 is an apocalyptic number.

125113305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

125113305 is a deficient number, since it is larger than the sum of its proper divisors (75068007).

125113305 is an equidigital number, since it uses as much as digits as its factorization.

125113305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8340895.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 125113305 is about 11185.4058933952. The cubic root of 125113305 is about 500.1510277100.

Adding to 125113305 its reverse (503311521), we get a palindrome (628424826).

The spelling of 125113305 in words is "one hundred twenty-five million, one hundred thirteen thousand, three hundred five".