3125120443 has 2 divisors, whose sum is σ = 3125120444. Its totient is φ = 3125120442.

The previous prime is 3125120419. The next prime is 3125120497. The reversal of 3125120443 is 3440215213.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3125120443 is a prime.

It is not a weakly prime, because it can be changed into another prime (3125120413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562560221 + 1562560222.

It is an arithmetic number, because the mean of its divisors is an integer number (1562560222).

Almost surely, 2^3125120443 is an apocalyptic number.

3125120443 is a deficient number, since it is larger than the sum of its proper divisors (1).

3125120443 is an equidigital number, since it uses as much as digits as its factorization.

3125120443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 3125120443 is about 55902.7767020566. The cubic root of 3125120443 is about 1462.0276516634.

Adding to 3125120443 its reverse (3440215213), we get a palindrome (6565335656).

The spelling of 3125120443 in words is "three billion, one hundred twenty-five million, one hundred twenty thousand, four hundred forty-three".