1142958 has 16 divisors (see below), whose sum is σ = 2318976. Its totient is φ = 375480.

The previous prime is 1142941. The next prime is 1142959. The reversal of 1142958 is 8592411.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142959) 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, 916 + ... + 1767.

It is an arithmetic number, because the mean of its divisors is an integer number (144936).

2^1142958 is an apocalyptic number.

1142958 is an abundant number, since it is smaller than the sum of its proper divisors (1176018).

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

1142958 is a wasteful number, since it uses less digits than its factorization.

1142958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2759.

The product of its digits is 2880, while the sum is 30.

The square root of 1142958 is about 1069.0921382182. The cubic root of 1142958 is about 104.5546671838.

The spelling of 1142958 in words is "one million, one hundred forty-two thousand, nine hundred fifty-eight".