1101872 has 20 divisors (see below), whose sum is σ = 2261016. Its totient is φ = 518400.

The previous prime is 1101871. The next prime is 1101883. The reversal of 1101872 is 2781011.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1101871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1754 + ... + 2297.

2^1101872 is an apocalyptic number.

It is an amenable number.

1101872 is an abundant number, since it is smaller than the sum of its proper divisors (1159144).

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

1101872 is a wasteful number, since it uses less digits than its factorization.

1101872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4076 (or 4070 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 1101872 is about 1049.7009097834. The cubic root of 1101872 is about 103.2865367940.

Adding to 1101872 its reverse (2781011), we get a palindrome (3882883).

The spelling of 1101872 in words is "one million, one hundred one thousand, eight hundred seventy-two".