1075121 has 4 divisors (see below), whose sum is σ = 1077312. Its totient is φ = 1072932.

The previous prime is 1075103. The next prime is 1075133. The reversal of 1075121 is 1215701.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1075121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1075121.

It is not an unprimeable number, because it can be changed into a prime (1075141) 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, 20 + ... + 1466.

It is an arithmetic number, because the mean of its divisors is an integer number (269328).

2^1075121 is an apocalyptic number.

It is an amenable number.

1075121 is a deficient number, since it is larger than the sum of its proper divisors (2191).

1075121 is an equidigital number, since it uses as much as digits as its factorization.

1075121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2190.

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 1075121 is about 1036.8804174060. The cubic root of 1075121 is about 102.4438240663.

The spelling of 1075121 in words is "one million, seventy-five thousand, one hundred twenty-one".