1071448 has 48 divisors (see below), whose sum is σ = 2468880. Its totient is φ = 426816.

The previous prime is 1071443. The next prime is 1071451. The reversal of 1071448 is 8441701.

It is a super-2 number, since 2×1071448² = 2296001633408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1071443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20190 + ... + 20242.

It is an arithmetic number, because the mean of its divisors is an integer number (51435).

2^1071448 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 1071448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1234440).

1071448 is an abundant number, since it is smaller than the sum of its proper divisors (1397432).

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

1071448 is a wasteful number, since it uses less digits than its factorization.

1071448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104 (or 81 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 1071448 is about 1035.1077238626. The cubic root of 1071448 is about 102.3270293119.

The spelling of 1071448 in words is "one million, seventy-one thousand, four hundred forty-eight".