1357120 has 28 divisors (see below), whose sum is σ = 3232404. Its totient is φ = 542720.

The previous prime is 1357091. The next prime is 1357129. The reversal of 1357120 is 217531.

It can be written as a sum of positive squares in 2 ways, for example, as 1016064 + 341056 = 1008^2 + 584^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357129) 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, 1801 + ... + 2440.

It is an arithmetic number, because the mean of its divisors is an integer number (115443).

2^1357120 is an apocalyptic number.

1357120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1357120 is an abundant number, since it is smaller than the sum of its proper divisors (1875284).

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

1357120 is an equidigital number, since it uses as much as digits as its factorization.

1357120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4258 (or 4248 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 19.

The square root of 1357120 is about 1164.9549347507. The cubic root of 1357120 is about 110.7149029251.

The spelling of 1357120 in words is "one million, three hundred fifty-seven thousand, one hundred twenty".