1105872 has 20 divisors (see below), whose sum is σ = 2856960. Its totient is φ = 368608.

The previous prime is 1105861. The next prime is 1105873. The reversal of 1105872 is 2785011.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11472 + ... + 11567.

It is an arithmetic number, because the mean of its divisors is an integer number (142848).

2^1105872 is an apocalyptic number.

1105872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1105872 is an abundant number, since it is smaller than the sum of its proper divisors (1751088).

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

1105872 is a wasteful number, since it uses less digits than its factorization.

1105872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23050 (or 23044 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 24.

The square root of 1105872 is about 1051.6044883891. The cubic root of 1105872 is about 103.4113689647.

The spelling of 1105872 in words is "one million, one hundred five thousand, eight hundred seventy-two".