125412402433 has 4 divisors (see below), whose sum is σ = 125417551428. Its totient is φ = 125407253440.

The previous prime is 125412402419. The next prime is 125412402449. The reversal of 125412402433 is 334204214521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 334204214521 = 881 ⋅379346441.

It can be written as a sum of positive squares in 2 ways, for example, as 57170244609 + 68242157824 = 239103^2 + 261232^2 .

It is a cyclic number.

It is not a de Polignac number, because 125412402433 - 2¹³ = 125412394241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125412402395 and 125412402404.

It is not an unprimeable number, because it can be changed into a prime (125412400433) 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, 2537788 + ... + 2586733.

It is an arithmetic number, because the mean of its divisors is an integer number (31354387857).

Almost surely, 2^125412402433 is an apocalyptic number.

It is an amenable number.

125412402433 is a deficient number, since it is larger than the sum of its proper divisors (5148995).

125412402433 is an equidigital number, since it uses as much as digits as its factorization.

125412402433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5148994.

The product of its (nonzero) digits is 23040, while the sum is 31.

Adding to 125412402433 its reverse (334204214521), we get a palindrome (459616616954).

The spelling of 125412402433 in words is "one hundred twenty-five billion, four hundred twelve million, four hundred two thousand, four hundred thirty-three".