1178268 has 72 divisors (see below), whose sum is σ = 3443328. Its totient is φ = 307008.

The previous prime is 1178263. The next prime is 1178269. The reversal of 1178268 is 8628711.

It is a happy number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1178263) 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, 14155 + ... + 14237.

It is an arithmetic number, because the mean of its divisors is an integer number (47824).

2^1178268 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1178268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1721664).

1178268 is an abundant number, since it is smaller than the sum of its proper divisors (2265060).

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

1178268 is a wasteful number, since it uses less digits than its factorization.

1178268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 108 counting only the distinct ones).

The product of its digits is 5376, while the sum is 33.

The square root of 1178268 is about 1085.4805387477. The cubic root of 1178268 is about 105.6204534532.

It can be divided in two parts, 117 and 8268, that added together give a triangular number (8385 = T₁₂₉).

The spelling of 1178268 in words is "one million, one hundred seventy-eight thousand, two hundred sixty-eight".