1161233424 has 60 divisors (see below), whose sum is σ = 3499834156. Its totient is φ = 357302016.

The previous prime is 1161233413. The next prime is 1161233429. The reversal of 1161233424 is 4243321611.

It is a happy number.

1161233424 is a `hidden beast` number, since 1 + 1 + 6 + 1 + 233 + 424 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 126967824 + 1034265600 = 11268^2 + 32160^2 .

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1161233429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 308287 + ... + 312030.

Almost surely, 2^1161233424 is an apocalyptic number.

It is an amenable number.

1161233424 is an abundant number, since it is smaller than the sum of its proper divisors (2338600732).

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

1161233424 is a wasteful number, since it uses less digits than its factorization.

1161233424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620344 (or 620335 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 1161233424 is about 34076.8752088568. The cubic root of 1161233424 is about 1051.0898507077.

The spelling of 1161233424 in words is "one billion, one hundred sixty-one million, two hundred thirty-three thousand, four hundred twenty-four".