1121441501 has 2 divisors, whose sum is σ = 1121441502. Its totient is φ = 1121441500.

The previous prime is 1121441483. The next prime is 1121441509. The reversal of 1121441501 is 1051441211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1081423225 + 40018276 = 32885^2 + 6326^2 .

It is a cyclic number.

It is not a de Polignac number, because 1121441501 - 2⁶ = 1121441437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1121441509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 560720750 + 560720751.

It is an arithmetic number, because the mean of its divisors is an integer number (560720751).

Almost surely, 2^1121441501 is an apocalyptic number.

It is an amenable number.

1121441501 is a deficient number, since it is larger than the sum of its proper divisors (1).

1121441501 is an equidigital number, since it uses as much as digits as its factorization.

1121441501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 160, while the sum is 20.

The square root of 1121441501 is about 33487.9306765885. The cubic root of 1121441501 is about 1038.9441642119.

Adding to 1121441501 its reverse (1051441211), we get a palindrome (2172882712).

The spelling of 1121441501 in words is "one billion, one hundred twenty-one million, four hundred forty-one thousand, five hundred one".