1178450028 has 72 divisors (see below), whose sum is σ = 3409122080. Its totient is φ = 336234240.

The previous prime is 1178449997. The next prime is 1178450041. The reversal of 1178450028 is 8200548711.

1178450028 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×1178450028⁴ (a number of 37 digits) contains 4444 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1178449974 and 1178450001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 206088 + ... + 211728.

Almost surely, 2^1178450028 is an apocalyptic number.

1178450028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1178450028 is an abundant number, since it is smaller than the sum of its proper divisors (2230672052).

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

1178450028 is a wasteful number, since it uses less digits than its factorization.

1178450028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6487 (or 6482 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 36.

The square root of 1178450028 is about 34328.5599464935. The cubic root of 1178450028 is about 1056.2589219605.

Adding to 1178450028 its reverse (8200548711), we get a palindrome (9378998739).

The spelling of 1178450028 in words is "one billion, one hundred seventy-eight million, four hundred fifty thousand, twenty-eight".