1233440101 has 2 divisors, whose sum is σ = 1233440102. Its totient is φ = 1233440100.

The previous prime is 1233440041. The next prime is 1233440107. The reversal of 1233440101 is 1010443321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1095941025 + 137499076 = 33105^2 + 11726^2 .

It is a cyclic number.

It is not a de Polignac number, because 1233440101 - 2⁹ = 1233439589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1233440107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616720050 + 616720051.

It is an arithmetic number, because the mean of its divisors is an integer number (616720051).

Almost surely, 2^1233440101 is an apocalyptic number.

It is an amenable number.

1233440101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233440101 is an equidigital number, since it uses as much as digits as its factorization.

1233440101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1233440101 is about 35120.3659007135. The cubic root of 1233440101 is about 1072.4392196272.

Adding to 1233440101 its reverse (1010443321), we get a palindrome (2243883422).

The spelling of 1233440101 in words is "one billion, two hundred thirty-three million, four hundred forty thousand, one hundred one".