1072919 has 2 divisors, whose sum is σ = 1072920. Its totient is φ = 1072918.

The previous prime is 1072901. The next prime is 1072931. The reversal of 1072919 is 9192701.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1072919 is a prime.

It is a super-2 number, since 2×1072919² = 2302310361122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1072891 and 1072900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1072969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536459 + 536460.

It is an arithmetic number, because the mean of its divisors is an integer number (536460).

2^1072919 is an apocalyptic number.

1072919 is a deficient number, since it is larger than the sum of its proper divisors (1).

1072919 is an equidigital number, since it uses as much as digits as its factorization.

1072919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 29.

The square root of 1072919 is about 1035.8180342126. The cubic root of 1072919 is about 102.3738364452.

It can be divided in two parts, 1072 and 919, that added together give a palindrome (1991).

The spelling of 1072919 in words is "one million, seventy-two thousand, nine hundred nineteen".