1042086219 has 4 divisors (see below), whose sum is σ = 1389448296. Its totient is φ = 694724144.

The previous prime is 1042086211. The next prime is 1042086239. The reversal of 1042086219 is 9126802401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9126802401 = 3 ⋅3042267467.

It is a cyclic number.

It is not a de Polignac number, because 1042086219 - 2³ = 1042086211 is a prime.

It is a super-2 number, since 2×1042086219² = 2171887375659431922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1042086219.

It is not an unprimeable number, because it can be changed into a prime (1042086211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173681034 + ... + 173681039.

It is an arithmetic number, because the mean of its divisors is an integer number (347362074).

Almost surely, 2^1042086219 is an apocalyptic number.

1042086219 is a deficient number, since it is larger than the sum of its proper divisors (347362077).

1042086219 is an equidigital number, since it uses as much as digits as its factorization.

1042086219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347362076.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 1042086219 is about 32281.3602408573. The cubic root of 1042086219 is about 1013.8364104366.

The spelling of 1042086219 in words is "one billion, forty-two million, eighty-six thousand, two hundred nineteen".