1236490033 has 2 divisors, whose sum is σ = 1236490034. Its totient is φ = 1236490032.

The previous prime is 1236490009. The next prime is 1236490061. The reversal of 1236490033 is 3300946321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 969886449 + 266603584 = 31143^2 + 16328^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1236490033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1236489977 and 1236490004.

It is not a weakly prime, because it can be changed into another prime (1236491033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 618245016 + 618245017.

It is an arithmetic number, because the mean of its divisors is an integer number (618245017).

Almost surely, 2^1236490033 is an apocalyptic number.

It is an amenable number.

1236490033 is a deficient number, since it is larger than the sum of its proper divisors (1).

1236490033 is an equidigital number, since it uses as much as digits as its factorization.

1236490033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 31.

The square root of 1236490033 is about 35163.7602227066. The cubic root of 1236490033 is about 1073.3224335553.

The spelling of 1236490033 in words is "one billion, two hundred thirty-six million, four hundred ninety thousand, thirty-three".