1027133949 has 16 divisors (see below), whose sum is σ = 1407535808. Its totient is φ = 665770752.

The previous prime is 1027133893. The next prime is 1027133957. The reversal of 1027133949 is 9493317201.

It is not a de Polignac number, because 1027133949 - 2¹¹ = 1027131901 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1027133449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 218229 + ... + 222885.

It is an arithmetic number, because the mean of its divisors is an integer number (87970988).

Almost surely, 2^1027133949 is an apocalyptic number.

It is an amenable number.

1027133949 is a deficient number, since it is larger than the sum of its proper divisors (380401859).

1027133949 is a wasteful number, since it uses less digits than its factorization.

1027133949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6684.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 1027133949 is about 32048.9305437795. The cubic root of 1027133949 is about 1008.9640552795.

The spelling of 1027133949 in words is "one billion, twenty-seven million, one hundred thirty-three thousand, nine hundred forty-nine".