1351161234 has 48 divisors (see below), whose sum is σ = 2997295704. Its totient is φ = 439776000.

The previous prime is 1351161223. The next prime is 1351161239. The reversal of 1351161234 is 4321611531.

It is a happy number.

1351161234 is a `hidden beast` number, since 1 + 3 + 5 + 11 + 612 + 34 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1350783009 + 378225 = 36753^2 + 615^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1351161198 and 1351161207.

It is not an unprimeable number, because it can be changed into a prime (1351161239) 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 23 ways as a sum of consecutive naturals, for example, 127624 + ... + 137804.

Almost surely, 2^1351161234 is an apocalyptic number.

1351161234 is an abundant number, since it is smaller than the sum of its proper divisors (1646134470).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1351161234 is a wasteful number, since it uses less digits than its factorization.

1351161234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10363 (or 10360 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 1351161234 is about 36758.1451381867. The cubic root of 1351161234 is about 1105.5262493407.

Adding to 1351161234 its reverse (4321611531), we get a palindrome (5672772765).

The spelling of 1351161234 in words is "one billion, three hundred fifty-one million, one hundred sixty-one thousand, two hundred thirty-four".