1230021032 has 32 divisors (see below), whose sum is σ = 2358062280. Its totient is φ = 601286400.

The previous prime is 1230021017. The next prime is 1230021049. The reversal of 1230021032 is 2301200321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1129900996 + 100120036 = 33614^2 + 10006^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1230020998 and 1230021016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119282 + ... + 129182.

Almost surely, 2^1230021032 is an apocalyptic number.

It is an amenable number.

1230021032 is a deficient number, since it is larger than the sum of its proper divisors (1128041248).

1230021032 is a wasteful number, since it uses less digits than its factorization.

1230021032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10253 (or 10249 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1230021032 is about 35071.6556780543. The cubic root of 1230021032 is about 1071.4473765808.

Adding to 1230021032 its reverse (2301200321), we get a palindrome (3531221353).

The spelling of 1230021032 in words is "one billion, two hundred thirty million, twenty-one thousand, thirty-two".