1020501233 has 2 divisors, whose sum is σ = 1020501234. Its totient is φ = 1020501232.

The previous prime is 1020501221. The next prime is 1020501259. The reversal of 1020501233 is 3321050201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 520889329 + 499611904 = 22823^2 + 22352^2 .

It is a cyclic number.

It is not a de Polignac number, because 1020501233 - 2⁸ = 1020500977 is a prime.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (1020501263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510250616 + 510250617.

It is an arithmetic number, because the mean of its divisors is an integer number (510250617).

Almost surely, 2^1020501233 is an apocalyptic number.

It is an amenable number.

1020501233 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020501233 is an equidigital number, since it uses as much as digits as its factorization.

1020501233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 1020501233 is about 31945.2849885550. The cubic root of 1020501233 is about 1006.7875690034.

Adding to 1020501233 its reverse (3321050201), we get a palindrome (4341551434).

The spelling of 1020501233 in words is "one billion, twenty million, five hundred one thousand, two hundred thirty-three".