1233378 has 12 divisors (see below), whose sum is σ = 2672358. Its totient is φ = 411120.

The previous prime is 1233377. The next prime is 1233409. The reversal of 1233378 is 8733321.

It can be written as a sum of positive squares in only one way, i.e., 710649 + 522729 = 843^2 + 723^2 .

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1233371) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34243 + ... + 34278.

2^1233378 is an apocalyptic number.

1233378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1233378 is an abundant number, since it is smaller than the sum of its proper divisors (1438980).

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

1233378 is a wasteful number, since it uses less digits than its factorization.

1233378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68529 (or 68526 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 1233378 is about 1110.5755264726. The cubic root of 1233378 is about 107.2421221005.

Adding to 1233378 its reverse (8733321), we get a palindrome (9966699).

The spelling of 1233378 in words is "one million, two hundred thirty-three thousand, three hundred seventy-eight".