1011749712 has 20 divisors (see below), whose sum is σ = 2613686880. Its totient is φ = 337249888.

The previous prime is 1011749699. The next prime is 1011749749. The reversal of 1011749712 is 2179471101.

It is a happy number.

It is a congruent number.

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, 10539012 + ... + 10539107.

It is an arithmetic number, because the mean of its divisors is an integer number (130684344).

Almost surely, 2^1011749712 is an apocalyptic number.

1011749712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1011749712 is an abundant number, since it is smaller than the sum of its proper divisors (1601937168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1011749712 is a wasteful number, since it uses less digits than its factorization.

1011749712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21078130 (or 21078124 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 33.

The square root of 1011749712 is about 31808.0133299771. The cubic root of 1011749712 is about 1003.9013304938.

The spelling of 1011749712 in words is "one billion, eleven million, seven hundred forty-nine thousand, seven hundred twelve".