1051889 has 2 divisors, whose sum is σ = 1051890. Its totient is φ = 1051888.

The previous prime is 1051879. The next prime is 1051903. The reversal of 1051889 is 9881501.

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., 667489 + 384400 = 817^2 + 620^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051889 - 2²⁰ = 3313 is a prime.

It is a super-2 number, since 2×1051889² = 2212940936642, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1051819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525944 + 525945.

It is an arithmetic number, because the mean of its divisors is an integer number (525945).

2^1051889 is an apocalyptic number.

It is an amenable number.

1051889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051889 is an equidigital number, since it uses as much as digits as its factorization.

1051889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 1051889 is about 1025.6164000249. The cubic root of 1051889 is about 101.7005506813.

The spelling of 1051889 in words is "one million, fifty-one thousand, eight hundred eighty-nine".