1254320 has 20 divisors (see below), whose sum is σ = 2916480. Its totient is φ = 501696.

The previous prime is 1254317. The next prime is 1254329. The reversal of 1254320 is 234521.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (1254329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7760 + ... + 7919.

It is an arithmetic number, because the mean of its divisors is an integer number (145824).

2^1254320 is an apocalyptic number.

1254320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1254320 is an abundant number, since it is smaller than the sum of its proper divisors (1662160).

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

1254320 is a wasteful number, since it uses less digits than its factorization.

1254320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15692 (or 15686 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 1254320 is about 1119.9642851448. The cubic root of 1254320 is about 107.8456872556.

Adding to 1254320 its reverse (234521), we get a palindrome (1488841).

The spelling of 1254320 in words is "one million, two hundred fifty-four thousand, three hundred twenty".