1362240 has 168 divisors, whose sum is σ = 5230368. Its totient is φ = 322560.

The previous prime is 1362223. The next prime is 1362247. The reversal of 1362240 is 422631.

It is a happy number.

1362240 is a `hidden beast` number, since 1 + 3 + 622 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1362247) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 31659 + ... + 31701.

2^1362240 is an apocalyptic number.

1362240 is a gapful number since it is divisible by the number (10) 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 1362240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2615184).

1362240 is an abundant number, since it is smaller than the sum of its proper divisors (3868128).

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

1362240 is a wasteful number, since it uses less digits than its factorization.

1362240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1362240 is about 1167.1503759156. The cubic root of 1362240 is about 110.8539593901.

Adding to 1362240 its reverse (422631), we get a palindrome (1784871).

The spelling of 1362240 in words is "one million, three hundred sixty-two thousand, two hundred forty".