1121032001 has 2 divisors, whose sum is σ = 1121032002. Its totient is φ = 1121032000.

The previous prime is 1121031997. The next prime is 1121032043. The reversal of 1121032001 is 1002301211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 997043776 + 123988225 = 31576^2 + 11135^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121032001 - 2² = 1121031997 is a prime.

It is not a weakly prime, because it can be changed into another prime (1121032061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560516000 + 560516001.

It is an arithmetic number, because the mean of its divisors is an integer number (560516001).

Almost surely, 2^1121032001 is an apocalyptic number.

It is an amenable number.

1121032001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121032001 is an equidigital number, since it uses as much as digits as its factorization.

1121032001 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 1121032001 is about 33481.8159752424. The cubic root of 1121032001 is about 1038.8176902555.

Adding to 1121032001 its reverse (1002301211), we get a palindrome (2123333212).

The spelling of 1121032001 in words is "one billion, one hundred twenty-one million, thirty-two thousand, one".