1042794719 has 4 divisors (see below), whose sum is σ = 1046852544. Its totient is φ = 1038736896.

The previous prime is 1042794703. The next prime is 1042794761. The reversal of 1042794719 is 9174972401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9174972401 = 7 ⋅1310710343.

It is a cyclic number.

It is not a de Polignac number, because 1042794719 - 2⁴ = 1042794703 is a prime.

It is a super-2 number, since 2×1042794719² = 2174841651948577922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1042794719.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042794799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2028527 + ... + 2029040.

It is an arithmetic number, because the mean of its divisors is an integer number (261713136).

Almost surely, 2^1042794719 is an apocalyptic number.

1042794719 is a deficient number, since it is larger than the sum of its proper divisors (4057825).

1042794719 is an equidigital number, since it uses as much as digits as its factorization.

1042794719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057824.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 1042794719 is about 32292.3322013137. The cubic root of 1042794719 is about 1014.0661228337.

The spelling of 1042794719 in words is "one billion, forty-two million, seven hundred ninety-four thousand, seven hundred nineteen".