1105972 has 12 divisors (see below), whose sum is σ = 2212000. Its totient is φ = 473976.

The previous prime is 1105963. The next prime is 1105997. The reversal of 1105972 is 2795011.

1105972 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19722 + ... + 19777.

2^1105972 is an apocalyptic number.

It is an amenable number.

1105972 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1105972 is a wasteful number, since it uses less digits than its factorization.

1105972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39510 (or 39508 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 1105972 is about 1051.6520337070. The cubic root of 1105972 is about 103.4144859093.

The spelling of 1105972 in words is "one million, one hundred five thousand, nine hundred seventy-two".