1359220 has 12 divisors (see below), whose sum is σ = 2854404. Its totient is φ = 543680.

The previous prime is 1359209. The next prime is 1359223. The reversal of 1359220 is 229531.

It can be written as a sum of positive squares in 2 ways, for example, as 1004004 + 355216 = 1002^2 + 596^2 .

It is a super-3 number, since 3×1359220³ = 7533391253392344000, which contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1359191 and 1359200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1359223) 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, 33961 + ... + 34000.

It is an arithmetic number, because the mean of its divisors is an integer number (237867).

2^1359220 is an apocalyptic number.

1359220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1359220 is an abundant number, since it is smaller than the sum of its proper divisors (1495184).

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

1359220 is a wasteful number, since it uses less digits than its factorization.

1359220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67970 (or 67968 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1359220 is about 1165.8559087640. The cubic root of 1359220 is about 110.7719800382.

The spelling of 1359220 in words is "one million, three hundred fifty-nine thousand, two hundred twenty".