1202135533 has 2 divisors, whose sum is σ = 1202135534. Its totient is φ = 1202135532.

The previous prime is 1202135531. The next prime is 1202135581. The reversal of 1202135533 is 3355312021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 904986889 + 297148644 = 30083^2 + 17238^2 .

It is a cyclic number.

It is not a de Polignac number, because 1202135533 - 2¹ = 1202135531 is a prime.

Together with 1202135531, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 1202135498 and 1202135507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1202135531) 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, 601067766 + 601067767.

It is an arithmetic number, because the mean of its divisors is an integer number (601067767).

Almost surely, 2^1202135533 is an apocalyptic number.

It is an amenable number.

1202135533 is a deficient number, since it is larger than the sum of its proper divisors (1).

1202135533 is an equidigital number, since it uses as much as digits as its factorization.

1202135533 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 1202135533 is about 34671.8262138007. The cubic root of 1202135533 is about 1063.2885685130.

Adding to 1202135533 its reverse (3355312021), we get a palindrome (4557447554).

The spelling of 1202135533 in words is "one billion, two hundred two million, one hundred thirty-five thousand, five hundred thirty-three".