1142219 has 8 divisors (see below), whose sum is σ = 1260672. Its totient is φ = 1028160.

The previous prime is 1142201. The next prime is 1142233. The reversal of 1142219 is 9122411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1142219 - 2⁸ = 1141963 is a prime.

It is a super-2 number, since 2×1142219² = 2609328487922, 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 1142219.

It is not an unprimeable number, because it can be changed into a prime (1142269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539 + ... + 1604.

It is an arithmetic number, because the mean of its divisors is an integer number (157584).

2^1142219 is an apocalyptic number.

1142219 is a deficient number, since it is larger than the sum of its proper divisors (118453).

1142219 is a wasteful number, since it uses less digits than its factorization.

1142219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2197.

The product of its digits is 144, while the sum is 20.

The square root of 1142219 is about 1068.7464619824. The cubic root of 1142219 is about 104.5321284269.

The spelling of 1142219 in words is "one million, one hundred forty-two thousand, two hundred nineteen".