1043213600 has 216 divisors, whose sum is σ = 3018283380. Its totient is φ = 349747200.

The previous prime is 1043213527. The next prime is 1043213609. The reversal of 1043213600 is 63123401.

It can be written as a sum of positive squares in 6 ways, for example, as 227768464 + 815445136 = 15092^2 + 28556^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (1043213609) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1257986 + ... + 1258814.

Almost surely, 2^1043213600 is an apocalyptic number.

1043213600 is a gapful number since it is divisible by the number (10) 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 1043213600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1509141690).

1043213600 is an abundant number, since it is smaller than the sum of its proper divisors (1975069780).

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

1043213600 is a wasteful number, since it uses less digits than its factorization.

1043213600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 1043213600 is about 32298.8173158089. The cubic root of 1043213600 is about 1014.2018849867.

The spelling of 1043213600 in words is "one billion, forty-three million, two hundred thirteen thousand, six hundred".