1011969792 has 108 divisors (see below), whose sum is σ = 3071457480. Its totient is φ = 319555584.

The previous prime is 1011969787. The next prime is 1011969793. The reversal of 1011969792 is 2979691101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1011969793) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 32218 + ... + 55334.

Almost surely, 2^1011969792 is an apocalyptic number.

1011969792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011969792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1535728740).

1011969792 is an abundant number, since it is smaller than the sum of its proper divisors (2059487688).

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

1011969792 is a wasteful number, since it uses less digits than its factorization.

1011969792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23158 (or 23141 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 45.

The square root of 1011969792 is about 31811.4726474585. The cubic root of 1011969792 is about 1003.9741161457.

The spelling of 1011969792 in words is "one billion, eleven million, nine hundred sixty-nine thousand, seven hundred ninety-two".