1105243500 has 96 divisors (see below), whose sum is σ = 3226571712. Its totient is φ = 293990400.

The previous prime is 1105243499. The next prime is 1105243501. The reversal of 1105243500 is 53425011.

It is an interprime number because it is at equal distance from previous prime (1105243499) and next prime (1105243501).

It is not an unprimeable number, because it can be changed into a prime (1105243501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 864862 + ... + 866138.

It is an arithmetic number, because the mean of its divisors is an integer number (33610122).

Almost surely, 2^1105243500 is an apocalyptic number.

1105243500 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 1105243500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1613285856).

1105243500 is an abundant number, since it is smaller than the sum of its proper divisors (2121328212).

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

1105243500 is a wasteful number, since it uses less digits than its factorization.

1105243500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1876 (or 1864 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1105243500 is about 33245.2026614367. The cubic root of 1105243500 is about 1033.9177466505.

Adding to 1105243500 its reverse (53425011), we get a palindrome (1158668511).

The spelling of 1105243500 in words is "one billion, one hundred five million, two hundred forty-three thousand, five hundred".