1241920 has 28 divisors (see below), whose sum is σ = 2958084. Its totient is φ = 496640.

The previous prime is 1241893. The next prime is 1241921. The reversal of 1241920 is 291421.

It can be written as a sum of positive squares in 2 ways, for example, as 614656 + 627264 = 784^2 + 792^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1241921) 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, 1621 + ... + 2260.

2^1241920 is an apocalyptic number.

1241920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1241920 is an abundant number, since it is smaller than the sum of its proper divisors (1716164).

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

1241920 is an equidigital number, since it uses as much as digits as its factorization.

1241920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3898 (or 3888 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 1241920 is about 1114.4146445556. The cubic root of 1241920 is about 107.4891281596.

The spelling of 1241920 in words is "one million, two hundred forty-one thousand, nine hundred twenty".