1026199 has 2 divisors, whose sum is σ = 1026200. Its totient is φ = 1026198.

The previous prime is 1026197. The next prime is 1026217. The reversal of 1026199 is 9916201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1026199 - 2¹ = 1026197 is a prime.

Together with 1026197, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1026197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 513099 + 513100.

It is an arithmetic number, because the mean of its divisors is an integer number (513100).

2^1026199 is an apocalyptic number.

1026199 is a deficient number, since it is larger than the sum of its proper divisors (1).

1026199 is an equidigital number, since it uses as much as digits as its factorization.

1026199 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 1026199 is about 1013.0148073942. The cubic root of 1026199 is about 100.8657825729.

It can be divided in two parts, 1026 and 199, that added together give a triangular number (1225 = T₄₉).

The spelling of 1026199 in words is "one million, twenty-six thousand, one hundred ninety-nine".