1178402148 has 384 divisors, whose sum is σ = 4079738880. Its totient is φ = 285120000.

The previous prime is 1178402131. The next prime is 1178402201. The reversal of 1178402148 is 8412048711.

It is a super-2 number, since 2×1178402148² = 2777263244822027808, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 11667298 + ... + 11667398.

It is an arithmetic number, because the mean of its divisors is an integer number (10624320).

Almost surely, 2^1178402148 is an apocalyptic number.

1178402148 is a gapful number since it is divisible by the number (18) 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 1178402148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2039869440).

1178402148 is an abundant number, since it is smaller than the sum of its proper divisors (2901336732).

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

1178402148 is a wasteful number, since it uses less digits than its factorization.

1178402148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 1178402148 is about 34327.8625608994. The cubic root of 1178402148 is about 1056.2446166270.

The spelling of 1178402148 in words is "one billion, one hundred seventy-eight million, four hundred two thousand, one hundred forty-eight".