1102620 has 96 divisors (see below), whose sum is σ = 3483648. Its totient is φ = 259072.

The previous prime is 1102583. The next prime is 1102663. The reversal of 1102620 is 262011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1102596 and 1102605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23437 + ... + 23483.

It is an arithmetic number, because the mean of its divisors is an integer number (36288).

2^1102620 is an apocalyptic number.

1102620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1102620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1741824).

1102620 is an abundant number, since it is smaller than the sum of its proper divisors (2381028).

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

1102620 is a wasteful number, since it uses less digits than its factorization.

1102620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99 (or 97 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1102620 is about 1050.0571413023. The cubic root of 1102620 is about 103.3099033478.

Adding to 1102620 its reverse (262011), we get a palindrome (1364631).

The spelling of 1102620 in words is "one million, one hundred two thousand, six hundred twenty".