1013232021 has 24 divisors (see below), whose sum is σ = 1385485920. Its totient is φ = 658624320.

The previous prime is 1013232007. The next prime is 1013232023. The reversal of 1013232021 is 1202323101.

1013232021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1013232021 - 2¹³ = 1013223829 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013232023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1551331 + ... + 1551983.

It is an arithmetic number, because the mean of its divisors is an integer number (57728580).

Almost surely, 2^1013232021 is an apocalyptic number.

It is an amenable number.

1013232021 is a deficient number, since it is larger than the sum of its proper divisors (372253899).

1013232021 is an equidigital number, since it uses as much as digits as its factorization.

1013232021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917 (or 856 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1013232021 is about 31831.3056753882. The cubic root of 1013232021 is about 1004.3913613841.

Adding to 1013232021 its reverse (1202323101), we get a palindrome (2215555122).

The spelling of 1013232021 in words is "one billion, thirteen million, two hundred thirty-two thousand, twenty-one".