1232041021 has 8 divisors (see below), whose sum is σ = 1285906104. Its totient is φ = 1179310080.

The previous prime is 1232040991. The next prime is 1232041079. The reversal of 1232041021 is 1201402321.

It can be written as a sum of positive squares in 4 ways, for example, as 191268900 + 1040772121 = 13830^2 + 32261^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1232041021 - 2⁷ = 1232040893 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1232040986 and 1232041004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232041081) 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, 281316 + ... + 285661.

It is an arithmetic number, because the mean of its divisors is an integer number (160738263).

Almost surely, 2^1232041021 is an apocalyptic number.

It is an amenable number.

1232041021 is a deficient number, since it is larger than the sum of its proper divisors (53865083).

1232041021 is an equidigital number, since it uses as much as digits as its factorization.

1232041021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567071.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1232041021 is about 35100.4418918053. The cubic root of 1232041021 is about 1072.0335801675.

Adding to 1232041021 its reverse (1201402321), we get a palindrome (2433443342).

The spelling of 1232041021 in words is "one billion, two hundred thirty-two million, forty-one thousand, twenty-one".