1361144 has 16 divisors (see below), whose sum is σ = 2640600. Its totient is φ = 656992.

The previous prime is 1361137. The next prime is 1361149. The reversal of 1361144 is 4411631.

1361144 = T₁₈₇ + T₁₈₈ + ... + T₂₄₄.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2702 + ... + 3165.

2^1361144 is an apocalyptic number.

It is an amenable number.

1361144 is a deficient number, since it is larger than the sum of its proper divisors (1279456).

1361144 is a wasteful number, since it uses less digits than its factorization.

1361144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5902 (or 5898 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 1361144 is about 1166.6807618196. The cubic root of 1361144 is about 110.8242219632.

Adding to 1361144 its reverse (4411631), we get a palindrome (5772775).

The spelling of 1361144 in words is "one million, three hundred sixty-one thousand, one hundred forty-four".