1054189 has 2 divisors, whose sum is σ = 1054190. Its totient is φ = 1054188.

The previous prime is 1054181. The next prime is 1054199. The reversal of 1054189 is 9814501.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 751689 + 302500 = 867^2 + 550^2 .

It is a cyclic number.

It is not a de Polignac number, because 1054189 - 2³ = 1054181 is a prime.

It is a super-2 number, since 2×1054189² = 2222628895442, which contains 22 as substring.

It is a Chen prime.

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

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1054181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527094 + 527095.

It is an arithmetic number, because the mean of its divisors is an integer number (527095).

2^1054189 is an apocalyptic number.

It is an amenable number.

1054189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1054189 is an equidigital number, since it uses as much as digits as its factorization.

1054189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1054189 is about 1026.7370646860. The cubic root of 1054189 is about 101.7746209136.

The spelling of 1054189 in words is "one million, fifty-four thousand, one hundred eighty-nine".