1012133387 has 2 divisors, whose sum is σ = 1012133388. Its totient is φ = 1012133386.

The previous prime is 1012133371. The next prime is 1012133399. The reversal of 1012133387 is 7833312101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1012133387 - 2⁴ = 1012133371 is a prime.

It is not a weakly prime, because it can be changed into another prime (1012133887) 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, 506066693 + 506066694.

It is an arithmetic number, because the mean of its divisors is an integer number (506066694).

Almost surely, 2^1012133387 is an apocalyptic number.

1012133387 is a deficient number, since it is larger than the sum of its proper divisors (1).

1012133387 is an equidigital number, since it uses as much as digits as its factorization.

1012133387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 1012133387 is about 31814.0438643062. The cubic root of 1012133387 is about 1004.0282140371.

Adding to 1012133387 its reverse (7833312101), we get a palindrome (8845445488).

The spelling of 1012133387 in words is "one billion, twelve million, one hundred thirty-three thousand, three hundred eighty-seven".