130233021 has 8 divisors (see below), whose sum is σ = 173715360. Its totient is φ = 86786352.

The previous prime is 130233013. The next prime is 130233029. The reversal of 130233021 is 120332031.

It is an interprime number because it is at equal distance from previous prime (130233013) and next prime (130233029).

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

It is not a de Polignac number, because 130233021 - 2³ = 130233013 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 (130233029) 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, 1266 + ... + 16188.

It is an arithmetic number, because the mean of its divisors is an integer number (21714420).

Almost surely, 2^130233021 is an apocalyptic number.

It is an amenable number.

130233021 is a deficient number, since it is larger than the sum of its proper divisors (43482339).

130233021 is a wasteful number, since it uses less digits than its factorization.

130233021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17835.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 130233021 is about 11411.9683227741. The cubic root of 130233021 is about 506.8821974203.

Adding to 130233021 its reverse (120332031), we get a palindrome (250565052).

The spelling of 130233021 in words is "one hundred thirty million, two hundred thirty-three thousand, twenty-one".