1023949412 has 12 divisors (see below), whose sum is σ = 1793385216. Its totient is φ = 511553640.

The previous prime is 1023949403. The next prime is 1023949427. The reversal of 1023949412 is 2149493201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 99764 + ... + 109547.

It is an arithmetic number, because the mean of its divisors is an integer number (149448768).

Almost surely, 2^1023949412 is an apocalyptic number.

It is an amenable number.

1023949412 is a deficient number, since it is larger than the sum of its proper divisors (769435804).

1023949412 is a wasteful number, since it uses less digits than its factorization.

1023949412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210538 (or 210536 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 1023949412 is about 31999.2095527374. The cubic root of 1023949412 is about 1007.9202414951.

The spelling of 1023949412 in words is "one billion, twenty-three million, nine hundred forty-nine thousand, four hundred twelve".