1051648 has 44 divisors (see below), whose sum is σ = 2292640. Its totient is φ = 479232.

The previous prime is 1051643. The next prime is 1051649. The reversal of 1051648 is 8461501.

It is a super-2 number, since 2×1051648² = 2211927031808, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13273 + ... + 13351.

2^1051648 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 1051648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1146320).

1051648 is an abundant number, since it is smaller than the sum of its proper divisors (1240992).

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

1051648 is an equidigital number, since it uses as much as digits as its factorization.

1051648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 1051648 is about 1025.4989029736. The cubic root of 1051648 is about 101.6927831618.

The spelling of 1051648 in words is "one million, fifty-one thousand, six hundred forty-eight".