1042120 has 16 divisors (see below), whose sum is σ = 2344860. Its totient is φ = 416832.

The previous prime is 1042109. The next prime is 1042121. The reversal of 1042120 is 212401.

It can be written as a sum of positive squares in 2 ways, for example, as 1028196 + 13924 = 1014^2 + 118^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1042097 and 1042106.

It is not an unprimeable number, because it can be changed into a prime (1042121) 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, 12987 + ... + 13066.

2^1042120 is an apocalyptic number.

1042120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1042120 is an abundant number, since it is smaller than the sum of its proper divisors (1302740).

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

1042120 is a wasteful number, since it uses less digits than its factorization.

1042120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26064 (or 26060 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 1042120 is about 1020.8427890719. The cubic root of 1042120 is about 101.3847365396.

Adding to 1042120 its reverse (212401), we get a palindrome (1254521).

The spelling of 1042120 in words is "one million, forty-two thousand, one hundred twenty".