125340045001 has 4 divisors (see below), whose sum is σ = 125369603604. Its totient is φ = 125310486400.

The previous prime is 125340044983. The next prime is 125340045079. The reversal of 125340045001 is 100540043521.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 120114923776 + 5225121225 = 346576^2 + 72285^2 .

It is a cyclic number.

It is not a de Polignac number, because 125340045001 - 2⁵ = 125340044969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125340045601) 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, 14772940 + ... + 14781421.

It is an arithmetic number, because the mean of its divisors is an integer number (31342400901).

Almost surely, 2^125340045001 is an apocalyptic number.

It is an amenable number.

125340045001 is a deficient number, since it is larger than the sum of its proper divisors (29558603).

125340045001 is an equidigital number, since it uses as much as digits as its factorization.

125340045001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29558602.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 125340045001 its reverse (100540043521), we get a palindrome (225880088522).

The spelling of 125340045001 in words is "one hundred twenty-five billion, three hundred forty million, forty-five thousand, one".