1078382172 has 24 divisors (see below), whose sum is σ = 2875686016. Its totient is φ = 308109168.

The previous prime is 1078382167. The next prime is 1078382189. The reversal of 1078382172 is 2712838701.

It is a self number, because there is not a number n which added to its sum of digits gives 1078382172.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6418858 + ... + 6419025.

Almost surely, 2^1078382172 is an apocalyptic number.

1078382172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1078382172 is an abundant number, since it is smaller than the sum of its proper divisors (1797303844).

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

1078382172 is a wasteful number, since it uses less digits than its factorization.

1078382172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12837897 (or 12837895 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 39.

The square root of 1078382172 is about 32838.7297561888. The cubic root of 1078382172 is about 1025.4730069902.

It can be divided in two parts, 1078 and 382172, that added together give a triangular number (383250 = T₈₇₅).

The spelling of 1078382172 in words is "one billion, seventy-eight million, three hundred eighty-two thousand, one hundred seventy-two".