125141001 has 4 divisors (see below), whose sum is σ = 166854672. Its totient is φ = 83427332.

The previous prime is 125140997. The next prime is 125141021. The reversal of 125141001 is 100141521.

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 125141001 - 2² = 125140997 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125141021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20856831 + ... + 20856836.

It is an arithmetic number, because the mean of its divisors is an integer number (41713668).

Almost surely, 2^125141001 is an apocalyptic number.

It is an amenable number.

125141001 is a deficient number, since it is larger than the sum of its proper divisors (41713671).

125141001 is an equidigital number, since it uses as much as digits as its factorization.

125141001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41713670.

The product of its (nonzero) digits is 40, while the sum is 15.

The square root of 125141001 is about 11186.6438666832. The cubic root of 125141001 is about 500.1879306886.

Adding to 125141001 its reverse (100141521), we get a palindrome (225282522).

The spelling of 125141001 in words is "one hundred twenty-five million, one hundred forty-one thousand, one".