1030919 has 2 divisors, whose sum is σ = 1030920. Its totient is φ = 1030918.

The previous prime is 1030889. The next prime is 1030933. The reversal of 1030919 is 9190301.

It is a strong prime.

It is an emirp because it is prime and its reverse (9190301) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1030919 is a prime.

It is a super-2 number, since 2×1030919² = 2125587969122, which contains 22 as substring.

It is an Ulam number.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 1030894 and 1030903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1030949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515459 + 515460.

It is an arithmetic number, because the mean of its divisors is an integer number (515460).

2^1030919 is an apocalyptic number.

1030919 is a deficient number, since it is larger than the sum of its proper divisors (1).

1030919 is an equidigital number, since it uses as much as digits as its factorization.

1030919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243, while the sum is 23.

The square root of 1030919 is about 1015.3418143660. The cubic root of 1030919 is about 101.0201900623.

The spelling of 1030919 in words is "one million, thirty thousand, nine hundred nineteen".