125511041 has 4 divisors (see below), whose sum is σ = 126212400. Its totient is φ = 124809684.

The previous prime is 125510999. The next prime is 125511047. The reversal of 125511041 is 140115521.

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 125511041 - 2²⁶ = 58402177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125511047) 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, 350411 + ... + 350768.

It is an arithmetic number, because the mean of its divisors is an integer number (31553100).

Almost surely, 2^125511041 is an apocalyptic number.

It is an amenable number.

125511041 is a deficient number, since it is larger than the sum of its proper divisors (701359).

125511041 is an equidigital number, since it uses as much as digits as its factorization.

125511041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701358.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 125511041 is about 11203.1710243127. The cubic root of 125511041 is about 500.6804615241.

Adding to 125511041 its reverse (140115521), we get a palindrome (265626562).

The spelling of 125511041 in words is "one hundred twenty-five million, five hundred eleven thousand, forty-one".