1197378 has 96 divisors (see below), whose sum is σ = 3459456. Its totient is φ = 290304.

The previous prime is 1197367. The next prime is 1197389. The reversal of 1197378 is 8737911.

1197378 is a nontrivial binomial coefficient, being equal to C(1548, 2).

It is an interprime number because it is at equal distance from previous prime (1197367) and next prime (1197389).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27825 + ... + 27867.

It is an arithmetic number, because the mean of its divisors is an integer number (36036).

2^1197378 is an apocalyptic number.

1197378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1197378 is the 1547-th triangular number and also the 774-th hexagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1197378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1729728).

1197378 is an abundant number, since it is smaller than the sum of its proper divisors (2262078).

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

1197378 is a wasteful number, since it uses less digits than its factorization.

1197378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88 (or 85 counting only the distinct ones).

The product of its digits is 10584, while the sum is 36.

The square root of 1197378 is about 1094.2476867693. The cubic root of 1197378 is about 106.1884035132.

The spelling of 1197378 in words is "one million, one hundred ninety-seven thousand, three hundred seventy-eight".