1100620 has 24 divisors (see below), whose sum is σ = 2336544. Its totient is φ = 435456.

The previous prime is 1100611. The next prime is 1100641. The reversal of 1100620 is 260011.

It is a super-2 number, since 2×1100620² = 2422728768800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1100597 and 1100606.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2017 + ... + 2503.

It is an arithmetic number, because the mean of its divisors is an integer number (97356).

2^1100620 is an apocalyptic number.

1100620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100620 is an abundant number, since it is smaller than the sum of its proper divisors (1235924).

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

1100620 is a wasteful number, since it uses less digits than its factorization.

1100620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609 (or 607 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 1100620 is about 1049.1043799356. The cubic root of 1100620 is about 103.2474022567.

Adding to 1100620 its reverse (260011), we get a palindrome (1360631).

It can be divided in two parts, 11006 and 20, that added together give a triangular number (11026 = T₁₄₈).

The spelling of 1100620 in words is "one million, one hundred thousand, six hundred twenty".