1172448 has 96 divisors (see below), whose sum is σ = 3628800. Its totient is φ = 367488.

The previous prime is 1172447. The next prime is 1172461. The reversal of 1172448 is 8442711.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1172443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19843 + ... + 19901.

It is an arithmetic number, because the mean of its divisors is an integer number (37800).

2^1172448 is an apocalyptic number.

1172448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1172448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1814400).

1172448 is an abundant number, since it is smaller than the sum of its proper divisors (2456352).

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

1172448 is a wasteful number, since it uses less digits than its factorization.

1172448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 87 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 1172448 is about 1082.7963797501. The cubic root of 1172448 is about 105.4462638976.

The spelling of 1172448 in words is "one million, one hundred seventy-two thousand, four hundred forty-eight".