1147243032 has 48 divisors (see below), whose sum is σ = 3346128240. Its totient is φ = 352997568.

The previous prime is 1147243003. The next prime is 1147243039. The reversal of 1147243032 is 2303427411.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1147242987 and 1147243005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1147243039) 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, 611908 + ... + 613779.

It is an arithmetic number, because the mean of its divisors is an integer number (69711005).

Almost surely, 2^1147243032 is an apocalyptic number.

1147243032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1147243032 is an abundant number, since it is smaller than the sum of its proper divisors (2198885208).

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

1147243032 is a wasteful number, since it uses less digits than its factorization.

1147243032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225712 (or 1225705 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 1147243032 is about 33870.9762481095. The cubic root of 1147243032 is about 1046.8516523398.

The spelling of 1147243032 in words is "one billion, one hundred forty-seven million, two hundred forty-three thousand, thirty-two".