1058121 has 12 divisors (see below), whose sum is σ = 1546740. Its totient is φ = 696960.

The previous prime is 1058117. The next prime is 1058143. The reversal of 1058121 is 1218501.

It can be written as a sum of positive squares in 2 ways, for example, as 622521 + 435600 = 789^2 + 660^2 .

It is not a de Polignac number, because 1058121 - 2² = 1058117 is a prime.

It is a super-2 number, since 2×1058121² = 2239240101282, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 1058094 and 1058103.

It is not an unprimeable number, because it can be changed into a prime (1058171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141 + ... + 1461.

It is an arithmetic number, because the mean of its divisors is an integer number (128895).

2^1058121 is an apocalyptic number.

It is an amenable number.

1058121 is a deficient number, since it is larger than the sum of its proper divisors (488619).

1058121 is a wasteful number, since it uses less digits than its factorization.

1058121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416 (or 1413 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 1058121 is about 1028.6500862781. The cubic root of 1058121 is about 101.9009996746.

The spelling of 1058121 in words is "one million, fifty-eight thousand, one hundred twenty-one".