1064240 has 40 divisors (see below), whose sum is σ = 2531088. Its totient is φ = 416000.

The previous prime is 1064201. The next prime is 1064243. The reversal of 1064240 is 424601.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1064240² = 2265213555200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1064243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4115 + ... + 4365.

2^1064240 is an apocalyptic number.

1064240 is a gapful number since it is divisible by the number (10) 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 1064240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1265544).

1064240 is an abundant number, since it is smaller than the sum of its proper divisors (1466848).

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

1064240 is a wasteful number, since it uses less digits than its factorization.

1064240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317 (or 311 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1064240 is about 1031.6200851089. The cubic root of 1064240 is about 102.0970497558.

Adding to 1064240 its reverse (424601), we get a palindrome (1488841).

The spelling of 1064240 in words is "one million, sixty-four thousand, two hundred forty".