125112505 has 8 divisors (see below), whose sum is σ = 171582912. Its totient is φ = 85791408.

The previous prime is 125112451. The next prime is 125112523. The reversal of 125112505 is 505211521.

It is a happy number.

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 125112505 - 2¹¹ = 125110457 is a prime.

It is a Duffinian 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, 1787287 + ... + 1787356.

It is an arithmetic number, because the mean of its divisors is an integer number (21447864).

Almost surely, 2^125112505 is an apocalyptic number.

It is an amenable number.

125112505 is a deficient number, since it is larger than the sum of its proper divisors (46470407).

125112505 is an equidigital number, since it uses as much as digits as its factorization.

125112505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3574655.

The product of its (nonzero) digits is 500, while the sum is 22.

The square root of 125112505 is about 11185.3701324543. The cubic root of 125112505 is about 500.1499616852.

The spelling of 125112505 in words is "one hundred twenty-five million, one hundred twelve thousand, five hundred five".