1142922 has 16 divisors (see below), whose sum is σ = 2493792. Its totient is φ = 346320.

The previous prime is 1142917. The next prime is 1142923. The reversal of 1142922 is 2292411.

It is an Ulam number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (1142923) 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, 8593 + ... + 8724.

It is an arithmetic number, because the mean of its divisors is an integer number (155862).

2^1142922 is an apocalyptic number.

1142922 is an abundant number, since it is smaller than the sum of its proper divisors (1350870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1142922 is a wasteful number, since it uses less digits than its factorization.

1142922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17333.

The product of its digits is 288, while the sum is 21.

The square root of 1142922 is about 1069.0753013703. The cubic root of 1142922 is about 104.5535694451.

The spelling of 1142922 in words is "one million, one hundred forty-two thousand, nine hundred twenty-two".