71121232 has 40 divisors (see below), whose sum is σ = 169600256. Its totient is φ = 28135296.

The previous prime is 71121229. The next prime is 71121233. The reversal of 71121232 is 23212117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71121233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22968 + ... + 25879.

Almost surely, 2^71121232 is an apocalyptic number.

It is an amenable number.

71121232 is an abundant number, since it is smaller than the sum of its proper divisors (98479024).

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

71121232 is a wasteful number, since it uses less digits than its factorization.

71121232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48875 (or 48869 counting only the distinct ones).

The product of its digits is 168, while the sum is 19.

The square root of 71121232 is about 8433.3405006557. The cubic root of 71121232 is about 414.3173215000.

Adding to 71121232 its reverse (23212117), we get a palindrome (94333349).

The spelling of 71121232 in words is "seventy-one million, one hundred twenty-one thousand, two hundred thirty-two".