125372001 has 4 divisors (see below), whose sum is σ = 167162672. Its totient is φ = 83581332.

The previous prime is 125371999. The next prime is 125372099. The reversal of 125372001 is 100273521.

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, and also an emirpimes, since its reverse is a distinct semiprime: 100273521 = 3 ⋅33424507.

It is not a de Polignac number, because 125372001 - 2¹ = 125371999 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125372801) 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, 20895331 + ... + 20895336.

It is an arithmetic number, because the mean of its divisors is an integer number (41790668).

Almost surely, 2^125372001 is an apocalyptic number.

It is an amenable number.

125372001 is a deficient number, since it is larger than the sum of its proper divisors (41790671).

125372001 is an equidigital number, since it uses as much as digits as its factorization.

125372001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41790670.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 125372001 is about 11196.9639188487. The cubic root of 125372001 is about 500.4955101106.

The spelling of 125372001 in words is "one hundred twenty-five million, three hundred seventy-two thousand, one".