125325401 has 4 divisors (see below), whose sum is σ = 128712612. Its totient is φ = 121938192.

The previous prime is 125325391. The next prime is 125325419. The reversal of 125325401 is 104523521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 104523521 = 9679 ⋅10799.

It can be written as a sum of positive squares in 2 ways, for example, as 75255625 + 50069776 = 8675^2 + 7076^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125325401 is a prime.

It is a super-2 number, since 2×125325401² = 31412912271621602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125325461) 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, 1693550 + ... + 1693623.

It is an arithmetic number, because the mean of its divisors is an integer number (32178153).

Almost surely, 2^125325401 is an apocalyptic number.

It is an amenable number.

125325401 is a deficient number, since it is larger than the sum of its proper divisors (3387211).

125325401 is an equidigital number, since it uses as much as digits as its factorization.

125325401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3387210.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 125325401 is about 11194.8828042101. The cubic root of 125325401 is about 500.4334920607.

Adding to 125325401 its reverse (104523521), we get a palindrome (229848922).

It can be divided in two parts, 125325 and 401, that multiplied together give a triangular number (50255325 = T₁₀₀₂₅).

The spelling of 125325401 in words is "one hundred twenty-five million, three hundred twenty-five thousand, four hundred one".