1354240 has 60 divisors (see below), whose sum is σ = 3394314. Its totient is φ = 518144.

The previous prime is 1354231. The next prime is 1354247. The reversal of 1354240 is 424531.

It can be written as a sum of positive squares in only one way, i.e., 1218816 + 135424 = 1104^2 + 368^2 .

It is not an unprimeable number, because it can be changed into a prime (1354247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58869 + ... + 58891.

2^1354240 is an apocalyptic number.

1354240 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 1354240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1697157).

1354240 is an abundant number, since it is smaller than the sum of its proper divisors (2040074).

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

1354240 is an frugal number, since it uses more digits than its factorization.

1354240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 1354240 is about 1163.7181789420. The cubic root of 1354240 is about 110.6365299143.

Adding to 1354240 its reverse (424531), we get a palindrome (1778771).

The spelling of 1354240 in words is "one million, three hundred fifty-four thousand, two hundred forty".