1351213125 has 40 divisors (see below), whose sum is σ = 2383786944. Its totient is φ = 678240000.

The previous prime is 1351213117. The next prime is 1351213133. The reversal of 1351213125 is 5213121531.

1351213125 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1351213117) and next prime (1351213133).

It is not a de Polignac number, because 1351213125 - 2³ = 1351213117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1351213095 and 1351213104.

It is a congruent number.

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 10680 + ... + 53070.

Almost surely, 2^1351213125 is an apocalyptic number.

1351213125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1351213125 is a deficient number, since it is larger than the sum of its proper divisors (1032573819).

1351213125 is an equidigital number, since it uses as much as digits as its factorization.

1351213125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42431 (or 42416 counting only the distinct ones).

The product of its digits is 900, while the sum is 24.

The square root of 1351213125 is about 36758.8509749693. The cubic root of 1351213125 is about 1105.5404016433.

Adding to 1351213125 its reverse (5213121531), we get a palindrome (6564334656).

The spelling of 1351213125 in words is "one billion, three hundred fifty-one million, two hundred thirteen thousand, one hundred twenty-five".