1360021 has 8 divisors (see below), whose sum is σ = 1474200. Its totient is φ = 1247232.

The previous prime is 1359997. The next prime is 1360027. The reversal of 1360021 is 1200631.

It can be written as a sum of positive squares in 4 ways, for example, as 12100 + 1347921 = 110^2 + 1161^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1360021 - 2⁹ = 1359509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 1359983 and 1360010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1360027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2805 + ... + 3253.

It is an arithmetic number, because the mean of its divisors is an integer number (184275).

2^1360021 is an apocalyptic number.

It is an amenable number.

1360021 is a deficient number, since it is larger than the sum of its proper divisors (114179).

1360021 is a wasteful number, since it uses less digits than its factorization.

1360021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1360021 is about 1166.1993826100. The cubic root of 1360021 is about 110.7937353911.

Adding to 1360021 its reverse (1200631), we get a palindrome (2560652).

The spelling of 1360021 in words is "one million, three hundred sixty thousand, twenty-one".