1005901232 has 20 divisors (see below), whose sum is σ = 2227352976. Its totient is φ = 431100480.

The previous prime is 1005901231. The next prime is 1005901243. The reversal of 1005901232 is 2321095001.

It is a junction number, because it is equal to n+sod(n) for n = 1005901198 and 1005901207.

It is not an unprimeable number, because it can be changed into a prime (1005901231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4490519 + ... + 4490742.

Almost surely, 2^1005901232 is an apocalyptic number.

It is an amenable number.

1005901232 is an abundant number, since it is smaller than the sum of its proper divisors (1221451744).

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

1005901232 is an equidigital number, since it uses as much as digits as its factorization.

1005901232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8981276 (or 8981270 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1005901232 is about 31715.9460208899. The cubic root of 1005901232 is about 1001.9632205761.

Adding to 1005901232 its reverse (2321095001), we get a palindrome (3326996233).

The spelling of 1005901232 in words is "one billion, five million, nine hundred one thousand, two hundred thirty-two".