125420312333 has 4 divisors (see below), whose sum is σ = 125709967068. Its totient is φ = 125130657600.

The previous prime is 125420312323. The next prime is 125420312447. The reversal of 125420312333 is 333213024521.

It is a happy number.

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 17509376329 + 107910936004 = 132323^2 + 328498^2 .

It is a cyclic number.

It is not a de Polignac number, because 125420312333 - 2⁸ = 125420312077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 125420312296 and 125420312305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125420312323) 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, 144826718 + ... + 144827583.

It is an arithmetic number, because the mean of its divisors is an integer number (31427491767).

Almost surely, 2^125420312333 is an apocalyptic number.

It is an amenable number.

125420312333 is a deficient number, since it is larger than the sum of its proper divisors (289654735).

125420312333 is an equidigital number, since it uses as much as digits as its factorization.

125420312333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289654734.

The product of its (nonzero) digits is 12960, while the sum is 29.

Adding to 125420312333 its reverse (333213024521), we get a palindrome (458633336854).

The spelling of 125420312333 in words is "one hundred twenty-five billion, four hundred twenty million, three hundred twelve thousand, three hundred thirty-three".