1043029872 has 140 divisors (see below), whose sum is σ = 3051096384. Its totient is φ = 345254400.

The previous prime is 1043029861. The next prime is 1043029891. The reversal of 1043029872 is 2789203401.

It is a super-2 number, since 2×1043029872² = 2175822627768672768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2600872 + ... + 2601272.

Almost surely, 2^1043029872 is an apocalyptic number.

1043029872 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 1043029872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1525548192).

1043029872 is an abundant number, since it is smaller than the sum of its proper divisors (2008066512).

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

1043029872 is an equidigital number, since it uses as much as digits as its factorization.

1043029872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 629 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 1043029872 is about 32295.9729997410. The cubic root of 1043029872 is about 1014.1423419797.

The spelling of 1043029872 in words is "one billion, forty-three million, twenty-nine thousand, eight hundred seventy-two".