1361240 has 16 divisors (see below), whose sum is σ = 3062880. Its totient is φ = 544480.

The previous prime is 1361197. The next prime is 1361273. The reversal of 1361240 is 421631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16976 + ... + 17055.

It is an arithmetic number, because the mean of its divisors is an integer number (191430).

2^1361240 is an apocalyptic number.

1361240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1361240 is an abundant number, since it is smaller than the sum of its proper divisors (1701640).

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

1361240 is a wasteful number, since it uses less digits than its factorization.

1361240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34042 (or 34038 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1361240 is about 1166.7219034543. The cubic root of 1361240 is about 110.8268273390.

Adding to 1361240 its reverse (421631), we get a palindrome (1782871).

The spelling of 1361240 in words is "one million, three hundred sixty-one thousand, two hundred forty".