125413133 has 4 divisors (see below), whose sum is σ = 127469148. Its totient is φ = 123357120.

The previous prime is 125413121. The next prime is 125413177. The reversal of 125413133 is 331314521.

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 67683529 + 57729604 = 8227^2 + 7598^2 .

It is a cyclic number.

It is not a de Polignac number, because 125413133 - 2¹⁰ = 125412109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125413099 and 125413108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125413103) 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, 1027916 + ... + 1028037.

It is an arithmetic number, because the mean of its divisors is an integer number (31867287).

Almost surely, 2^125413133 is an apocalyptic number.

It is an amenable number.

125413133 is a deficient number, since it is larger than the sum of its proper divisors (2056015).

125413133 is an equidigital number, since it uses as much as digits as its factorization.

125413133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056014.

The product of its digits is 1080, while the sum is 23.

The square root of 125413133 is about 11198.8005161267. The cubic root of 125413133 is about 500.5502382536.

Adding to 125413133 its reverse (331314521), we get a palindrome (456727654).

It can be divided in two parts, 12 and 5413133, that added together give a palindrome (5413145).

The spelling of 125413133 in words is "one hundred twenty-five million, four hundred thirteen thousand, one hundred thirty-three".