1124201321 has 2 divisors, whose sum is σ = 1124201322. Its totient is φ = 1124201320.

The previous prime is 1124201293. The next prime is 1124201339. The reversal of 1124201321 is 1231024211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 808606096 + 315595225 = 28436^2 + 17765^2 .

It is a cyclic number.

It is not a de Polignac number, because 1124201321 - 2¹⁸ = 1123939177 is a prime.

It is a super-2 number, since 2×1124201321² = 2527657220276290082, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1124201321.

It is not a weakly prime, because it can be changed into another prime (1124201341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 562100660 + 562100661.

It is an arithmetic number, because the mean of its divisors is an integer number (562100661).

Almost surely, 2^1124201321 is an apocalyptic number.

It is an amenable number.

1124201321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1124201321 is an equidigital number, since it uses as much as digits as its factorization.

1124201321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1124201321 is about 33529.1115450440. Note that the first 3 decimals coincide. The cubic root of 1124201321 is about 1039.7957318864.

Adding to 1124201321 its reverse (1231024211), we get a palindrome (2355225532).

The spelling of 1124201321 in words is "one billion, one hundred twenty-four million, two hundred one thousand, three hundred twenty-one".