1347438125 has 20 divisors (see below), whose sum is σ = 1836837024. Its totient is φ = 979950000.

The previous prime is 1347438121. The next prime is 1347438137. The reversal of 1347438125 is 5218347431.

It is not a de Polignac number, because 1347438125 - 2² = 1347438121 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1347438121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 91121 + ... + 104870.

Almost surely, 2^1347438125 is an apocalyptic number.

It is an amenable number.

1347438125 is a deficient number, since it is larger than the sum of its proper divisors (489398899).

1347438125 is an equidigital number, since it uses as much as digits as its factorization.

1347438125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196022 (or 196007 counting only the distinct ones).

The product of its digits is 80640, while the sum is 38.

The square root of 1347438125 is about 36707.4668834557. The cubic root of 1347438125 is about 1104.5098936934.

The spelling of 1347438125 in words is "one billion, three hundred forty-seven million, four hundred thirty-eight thousand, one hundred twenty-five".