1100472 has 16 divisors (see below), whose sum is σ = 2751240. Its totient is φ = 366816.

The previous prime is 1100471. The next prime is 1100483. The reversal of 1100472 is 2740011.

It is a super-2 number, since 2×1100472² = 2422077245568, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100471) 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, 22903 + ... + 22950.

2^1100472 is an apocalyptic number.

1100472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1100472 is an abundant number, since it is smaller than the sum of its proper divisors (1650768).

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

1100472 is a wasteful number, since it uses less digits than its factorization.

1100472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45862 (or 45858 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 1100472 is about 1049.0338412082. The cubic root of 1100472 is about 103.2427741681.

Adding to 1100472 its reverse (2740011), we get a palindrome (3840483).

The spelling of 1100472 in words is "one million, one hundred thousand, four hundred seventy-two".