1051849 has 2 divisors, whose sum is σ = 1051850. Its totient is φ = 1051848.

The previous prime is 1051847. The next prime is 1051879. The reversal of 1051849 is 9481501.

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., 1040400 + 11449 = 1020^2 + 107^2 .

It is a cyclic number.

It is not a de Polignac number, because 1051849 - 2¹ = 1051847 is a prime.

It is a super-2 number, since 2×1051849² = 2212772637602, which contains 22 as substring.

Together with 1051847, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1051847) 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 as a sum of consecutive naturals, namely, 525924 + 525925.

It is an arithmetic number, because the mean of its divisors is an integer number (525925).

2^1051849 is an apocalyptic number.

It is an amenable number.

1051849 is a deficient number, since it is larger than the sum of its proper divisors (1).

1051849 is an equidigital number, since it uses as much as digits as its factorization.

1051849 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1051849 is about 1025.5968993713. The cubic root of 1051849 is about 101.6992615485.

The spelling of 1051849 in words is "one million, fifty-one thousand, eight hundred forty-nine".