1258141 has 2 divisors, whose sum is σ = 1258142. Its totient is φ = 1258140.

The previous prime is 1258139. The next prime is 1258151. The reversal of 1258141 is 1418521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1094116 + 164025 = 1046^2 + 405^2 .

It is a cyclic number.

It is not a de Polignac number, because 1258141 - 2¹ = 1258139 is a prime.

Together with 1258139, it forms a pair of twin primes.

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

It is equal to p₉₇₀₄₂ and since 1258141 and 97042 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1258151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 629070 + 629071.

It is an arithmetic number, because the mean of its divisors is an integer number (629071).

2^1258141 is an apocalyptic number.

It is an amenable number.

1258141 is a deficient number, since it is larger than the sum of its proper divisors (1).

1258141 is an equidigital number, since it uses as much as digits as its factorization.

1258141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 320, while the sum is 22.

The square root of 1258141 is about 1121.6688459612. The cubic root of 1258141 is about 107.9550853474.

The spelling of 1258141 in words is "one million, two hundred fifty-eight thousand, one hundred forty-one".