125520301 has 4 divisors (see below), whose sum is σ = 125546400. Its totient is φ = 125494204.

The previous prime is 125520259. The next prime is 125520337. The reversal of 125520301 is 103025521.

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: 103025521 = 353 ⋅291857.

It is a cyclic number.

It is not a de Polignac number, because 125520301 - 2¹⁹ = 124996013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125520601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3511 + ... + 16228.

It is an arithmetic number, because the mean of its divisors is an integer number (31386600).

Almost surely, 2^125520301 is an apocalyptic number.

It is an amenable number.

125520301 is a deficient number, since it is larger than the sum of its proper divisors (26099).

125520301 is an equidigital number, since it uses as much as digits as its factorization.

125520301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26098.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 125520301 is about 11203.5842925378. The cubic root of 125520301 is about 500.6927743507.

Adding to 125520301 its reverse (103025521), we get a palindrome (228545822).

The spelling of 125520301 in words is "one hundred twenty-five million, five hundred twenty thousand, three hundred one".