125241849 has 8 divisors (see below), whose sum is σ = 185543520. Its totient is φ = 83494548.

The previous prime is 125241833. The next prime is 125241869. The reversal of 125241849 is 948142521.

It is not a de Polignac number, because 125241849 - 2⁴ = 125241833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125241869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2319267 + ... + 2319320.

It is an arithmetic number, because the mean of its divisors is an integer number (23192940).

Almost surely, 2^125241849 is an apocalyptic number.

It is an amenable number.

125241849 is a deficient number, since it is larger than the sum of its proper divisors (60301671).

125241849 is an equidigital number, since it uses as much as digits as its factorization.

125241849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4638596 (or 4638590 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 125241849 is about 11191.1504770511. The cubic root of 125241849 is about 500.3222575888.

The spelling of 125241849 in words is "one hundred twenty-five million, two hundred forty-one thousand, eight hundred forty-nine".