1142319 has 16 divisors (see below), whose sum is σ = 1603584. Its totient is φ = 722400.

The previous prime is 1142311. The next prime is 1142321. The reversal of 1142319 is 9132411.

1142319 = T₁₇ + T₁₈ + ... + T₁₈₉.

It is not a de Polignac number, because 1142319 - 2³ = 1142311 is a prime.

It is a super-2 number, since 2×1142319² = 2609785395522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1142295 and 1142304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6517 + ... + 6689.

It is an arithmetic number, because the mean of its divisors is an integer number (100224).

2^1142319 is an apocalyptic number.

1142319 is a deficient number, since it is larger than the sum of its proper divisors (461265).

1142319 is a wasteful number, since it uses less digits than its factorization.

1142319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278.

The product of its digits is 216, while the sum is 21.

The square root of 1142319 is about 1068.7932447391. The cubic root of 1142319 is about 104.5351788950.

The spelling of 1142319 in words is "one million, one hundred forty-two thousand, three hundred nineteen".