1147842 has 24 divisors (see below), whose sum is σ = 2546544. Its totient is φ = 373464.

The previous prime is 1147841. The next prime is 1147843. The reversal of 1147842 is 2487411.

It is an interprime number because it is at equal distance from previous prime (1147841) and next prime (1147843).

It is not an unprimeable number, because it can be changed into a prime (1147841) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33 + ... + 1515.

It is an arithmetic number, because the mean of its divisors is an integer number (106106).

2^1147842 is an apocalyptic number.

1147842 is an abundant number, since it is smaller than the sum of its proper divisors (1398702).

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

1147842 is a wasteful number, since it uses less digits than its factorization.

1147842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534 (or 1531 counting only the distinct ones).

The product of its digits is 1792, while the sum is 27.

The square root of 1147842 is about 1071.3738843186. The cubic root of 1147842 is about 104.7033805418.

The spelling of 1147842 in words is "one million, one hundred forty-seven thousand, eight hundred forty-two".