1097152 has 56 divisors (see below), whose sum is σ = 2600960. Its totient is φ = 449280.

The previous prime is 1097147. The next prime is 1097179. The reversal of 1097152 is 2517901.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×1097152² = 2407485022208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13849 + ... + 13927.

2^1097152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1097152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1300480).

1097152 is an abundant number, since it is smaller than the sum of its proper divisors (1503808).

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

1097152 is an equidigital number, since it uses as much as digits as its factorization.

1097152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 119 counting only the distinct ones).

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

The square root of 1097152 is about 1047.4502374815. The cubic root of 1097152 is about 103.1388456463.

The spelling of 1097152 in words is "one million, ninety-seven thousand, one hundred fifty-two".