1023001121 has 2 divisors, whose sum is σ = 1023001122. Its totient is φ = 1023001120.

The previous prime is 1023001087. The next prime is 1023001159. The reversal of 1023001121 is 1211003201.

1023001121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 983449600 + 39551521 = 31360^2 + 6289^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1023001121 is a prime.

It is not a weakly prime, because it can be changed into another prime (1023001181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 511500560 + 511500561.

It is an arithmetic number, because the mean of its divisors is an integer number (511500561).

Almost surely, 2^1023001121 is an apocalyptic number.

It is an amenable number.

1023001121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1023001121 is an equidigital number, since it uses as much as digits as its factorization.

1023001121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 1023001121 is about 31984.3887076180. The cubic root of 1023001121 is about 1007.6089966576.

Adding to 1023001121 its reverse (1211003201), we get a palindrome (2234004322).

The spelling of 1023001121 in words is "one billion, twenty-three million, one thousand, one hundred twenty-one".