1361872 has 20 divisors (see below), whose sum is σ = 2696256. Its totient is φ = 666080.

The previous prime is 1361849. The next prime is 1361879. The reversal of 1361872 is 2781631.

It is a self number, because there is not a number n which added to its sum of digits gives 1361872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1361879) 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, 154 + ... + 1657.

2^1361872 is an apocalyptic number.

It is an amenable number.

1361872 is a deficient number, since it is larger than the sum of its proper divisors (1334384).

1361872 is a wasteful number, since it uses less digits than its factorization.

1361872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866 (or 1860 counting only the distinct ones).

The product of its digits is 2016, while the sum is 28.

The square root of 1361872 is about 1166.9927163440. The cubic root of 1361872 is about 110.8439763399.

The spelling of 1361872 in words is "one million, three hundred sixty-one thousand, eight hundred seventy-two".