1102380 has 48 divisors (see below), whose sum is σ = 3252480. Its totient is φ = 278208.

The previous prime is 1102337. The next prime is 1102393. The reversal of 1102380 is 832011.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 657 + ... + 1623.

It is an arithmetic number, because the mean of its divisors is an integer number (67760).

2^1102380 is an apocalyptic number.

1102380 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 1102380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1626240).

1102380 is an abundant number, since it is smaller than the sum of its proper divisors (2150100).

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

1102380 is a wasteful number, since it uses less digits than its factorization.

1102380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998 (or 996 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 1102380 is about 1049.9428555879. The cubic root of 1102380 is about 103.3024072095.

Adding to 1102380 its reverse (832011), we get a palindrome (1934391).

The spelling of 1102380 in words is "one million, one hundred two thousand, three hundred eighty".