125332001 has 4 divisors (see below), whose sum is σ = 126130452. Its totient is φ = 124533552.

The previous prime is 125331979. The next prime is 125332013. The reversal of 125332001 is 100233521.

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 30250000 + 95082001 = 5500^2 + 9751^2 .

It is a cyclic number.

It is not a de Polignac number, because 125332001 - 2¹⁰ = 125330977 is a prime.

It is a super-2 number, since 2×125332001² = 31416220949328002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125332091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398990 + ... + 399303.

It is an arithmetic number, because the mean of its divisors is an integer number (31532613).

Almost surely, 2^125332001 is an apocalyptic number.

It is an amenable number.

125332001 is a deficient number, since it is larger than the sum of its proper divisors (798451).

125332001 is an equidigital number, since it uses as much as digits as its factorization.

125332001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798450.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 125332001 is about 11195.1775778681. The cubic root of 125332001 is about 500.4422766673.

Adding to 125332001 its reverse (100233521), we get a palindrome (225565522).

The spelling of 125332001 in words is "one hundred twenty-five million, three hundred thirty-two thousand, one".