1181126232 has 128 divisors (see below), whose sum is σ = 3854592000. Its totient is φ = 330376320.

The previous prime is 1181126231. The next prime is 1181126263. The reversal of 1181126232 is 2326211811.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a junction number, because it is equal to n+sod(n) for n = 1181126196 and 1181126205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1181126231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11769 + ... + 50007.

It is an arithmetic number, because the mean of its divisors is an integer number (30114000).

Almost surely, 2^1181126232 is an apocalyptic number.

1181126232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1181126232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1927296000).

1181126232 is an abundant number, since it is smaller than the sum of its proper divisors (2673465768).

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

1181126232 is a wasteful number, since it uses less digits than its factorization.

1181126232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38278 (or 38268 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 1181126232 is about 34367.5171055460. The cubic root of 1181126232 is about 1057.0578887289.

The spelling of 1181126232 in words is "one billion, one hundred eighty-one million, one hundred twenty-six thousand, two hundred thirty-two".