1001000232 has 48 divisors (see below), whose sum is σ = 2715004500. Its totient is φ = 333179136.

The previous prime is 1001000173. The next prime is 1001000233. The reversal of 1001000232 is 2320001001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 973814436 + 27185796 = 31206^2 + 5214^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1001000233) 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, 41244 + ... + 60852.

Almost surely, 2^1001000232 is an apocalyptic number.

1001000232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1001000232 is an abundant number, since it is smaller than the sum of its proper divisors (1714004268).

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

1001000232 is a wasteful number, since it uses less digits than its factorization.

1001000232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20330 (or 20323 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 1001000232 is about 31638.5877055219. The cubic root of 1001000232 is about 1000.3332995657. Note that the first 3 decimals are identical.

Adding to 1001000232 its reverse (2320001001), we get a palindrome (3321001233).

It can be divided in two parts, 100100023 and 2, that added together give a square (100100025 = 10005²).

The spelling of 1001000232 in words is "one billion, one million, two hundred thirty-two", and thus it is an aban number.