1351325121 has 16 divisors (see below), whose sum is σ = 1909147968. Its totient is φ = 847270400.

The previous prime is 1351325117. The next prime is 1351325147. The reversal of 1351325121 is 1215231531.

It is a cyclic number.

It is not a de Polignac number, because 1351325121 - 2² = 1351325117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1351325091 and 1351325100.

It is not an unprimeable number, because it can be changed into a prime (1351325161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66586 + ... + 84476.

It is an arithmetic number, because the mean of its divisors is an integer number (119321748).

Almost surely, 2^1351325121 is an apocalyptic number.

It is an amenable number.

1351325121 is a deficient number, since it is larger than the sum of its proper divisors (557822847).

1351325121 is a wasteful number, since it uses less digits than its factorization.

1351325121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19392.

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

The square root of 1351325121 is about 36760.3743316088. The cubic root of 1351325121 is about 1105.5709452292.

Adding to 1351325121 its reverse (1215231531), we get a palindrome (2566556652).

The spelling of 1351325121 in words is "one billion, three hundred fifty-one million, three hundred twenty-five thousand, one hundred twenty-one".