1081002432 has 56 divisors (see below), whose sum is σ = 2862565776. Its totient is φ = 360030208.

The previous prime is 1081002431. The next prime is 1081002451. The reversal of 1081002432 is 2342001801.

It is a junction number, because it is equal to n+sod(n) for n = 1081002399 and 1081002408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1081002431) 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, 435178 + ... + 437654.

It is an arithmetic number, because the mean of its divisors is an integer number (51117246).

Almost surely, 2^1081002432 is an apocalyptic number.

1081002432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1081002432 is an abundant number, since it is smaller than the sum of its proper divisors (1781563344).

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

1081002432 is a wasteful number, since it uses less digits than its factorization.

1081002432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4765 (or 4755 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1081002432 is about 32878.6014301095. The cubic root of 1081002432 is about 1026.3029021803.

The spelling of 1081002432 in words is "one billion, eighty-one million, two thousand, four hundred thirty-two".