1233130387 has 2 divisors, whose sum is σ = 1233130388. Its totient is φ = 1233130386.

The previous prime is 1233130337. The next prime is 1233130397. The reversal of 1233130387 is 7830313321.

It is a strong prime.

It is an emirp because it is prime and its reverse (7830313321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1233130387 - 2⁷ = 1233130259 is a prime.

It is a super-3 number, since 3×1233130387³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (1233130337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616565193 + 616565194.

It is an arithmetic number, because the mean of its divisors is an integer number (616565194).

Almost surely, 2^1233130387 is an apocalyptic number.

1233130387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1233130387 is an equidigital number, since it uses as much as digits as its factorization.

1233130387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 1233130387 is about 35115.9563019434. The cubic root of 1233130387 is about 1072.3494497647.

The spelling of 1233130387 in words is "one billion, two hundred thirty-three million, one hundred thirty thousand, three hundred eighty-seven".