1233069121 has 2 divisors, whose sum is σ = 1233069122. Its totient is φ = 1233069120.

The previous prime is 1233069119. The next prime is 1233069127. The reversal of 1233069121 is 1219603321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1047428496 + 185640625 = 32364^2 + 13625^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233069121 - 2¹ = 1233069119 is a prime.

Together with 1233069119, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1233069121.

It is not a weakly prime, because it can be changed into another prime (1233069127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616534560 + 616534561.

It is an arithmetic number, because the mean of its divisors is an integer number (616534561).

Almost surely, 2^1233069121 is an apocalyptic number.

It is an amenable number.

1233069121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233069121 is an equidigital number, since it uses as much as digits as its factorization.

1233069121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 1233069121 is about 35115.0839526264. The cubic root of 1233069121 is about 1072.3316901803.

The spelling of 1233069121 in words is "one billion, two hundred thirty-three million, sixty-nine thousand, one hundred twenty-one".