1078243632 has 120 divisors (see below), whose sum is σ = 3207022416. Its totient is φ = 337010688.

The previous prime is 1078243631. The next prime is 1078243637. The reversal of 1078243632 is 2363428701.

It is a happy number.

1078243632 is a `hidden beast` number, since 10 + 7 + 8 + 2 + 4 + 3 + 632 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (1078243631) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 824323 + ... + 825629.

Almost surely, 2^1078243632 is an apocalyptic number.

1078243632 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 1078243632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1603511208).

1078243632 is an abundant number, since it is smaller than the sum of its proper divisors (2128778784).

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

1078243632 is a wasteful number, since it uses less digits than its factorization.

1078243632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675 (or 1666 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 1078243632 is about 32836.6202889396. The cubic root of 1078243632 is about 1025.4290908603.

The spelling of 1078243632 in words is "one billion, seventy-eight million, two hundred forty-three thousand, six hundred thirty-two".