1047121 has 8 divisors (see below), whose sum is σ = 1114560. Its totient is φ = 981552.

The previous prime is 1047119. The next prime is 1047127. The reversal of 1047121 is 1217401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1047121 - 2¹ = 1047119 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 1047095 and 1047104.

It is not an unprimeable number, because it can be changed into a prime (1047127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 790 + ... + 1648.

It is an arithmetic number, because the mean of its divisors is an integer number (139320).

2^1047121 is an apocalyptic number.

It is an amenable number.

1047121 is a deficient number, since it is larger than the sum of its proper divisors (67439).

1047121 is an equidigital number, since it uses as much as digits as its factorization.

1047121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 935.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 1047121 is about 1023.2893041560. The cubic root of 1047121 is about 101.5466552481.

It can be divided in two parts, 104 and 7121, that added together give a square (7225 = 85²).

The spelling of 1047121 in words is "one million, forty-seven thousand, one hundred twenty-one".