1047235872 has 48 divisors (see below), whose sum is σ = 2776237632. Its totient is φ = 345619200.

The previous prime is 1047235867. The next prime is 1047235873. The reversal of 1047235872 is 2785327401.

1047235872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-3 number, since 3×1047235872³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1047235872.

It is not an unprimeable number, because it can be changed into a prime (1047235873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44308 + ... + 63699.

It is an arithmetic number, because the mean of its divisors is an integer number (57838284).

Almost surely, 2^1047235872 is an apocalyptic number.

1047235872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1047235872 is an abundant number, since it is smaller than the sum of its proper divisors (1729001760).

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

1047235872 is a wasteful number, since it uses less digits than its factorization.

1047235872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108121 (or 108113 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 1047235872 is about 32361.0239640219. The cubic root of 1047235872 is about 1015.5036842639.

The spelling of 1047235872 in words is "one billion, forty-seven million, two hundred thirty-five thousand, eight hundred seventy-two".