1201240633 has 2 divisors, whose sum is σ = 1201240634. Its totient is φ = 1201240632.

The previous prime is 1201240627. The next prime is 1201240661. The reversal of 1201240633 is 3360421021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1197367609 + 3873024 = 34603^2 + 1968^2 .

It is a cyclic number.

It is not a de Polignac number, because 1201240633 - 2¹³ = 1201232441 is a prime.

It is not a weakly prime, because it can be changed into another prime (1201240333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 600620316 + 600620317.

It is an arithmetic number, because the mean of its divisors is an integer number (600620317).

Almost surely, 2^1201240633 is an apocalyptic number.

It is an amenable number.

1201240633 is a deficient number, since it is larger than the sum of its proper divisors (1).

1201240633 is an equidigital number, since it uses as much as digits as its factorization.

1201240633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 1201240633 is about 34658.9185203462. The cubic root of 1201240633 is about 1063.0246567417.

Adding to 1201240633 its reverse (3360421021), we get a palindrome (4561661654).

The spelling of 1201240633 in words is "one billion, two hundred one million, two hundred forty thousand, six hundred thirty-three".