1143392 has 12 divisors (see below), whose sum is σ = 2251116. Its totient is φ = 571680.

The previous prime is 1143391. The next prime is 1143407. The reversal of 1143392 is 2933411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17834 + ... + 17897.

It is an arithmetic number, because the mean of its divisors is an integer number (187593).

2^1143392 is an apocalyptic number.

It is an amenable number.

1143392 is a deficient number, since it is larger than the sum of its proper divisors (1107724).

1143392 is an equidigital number, since it uses as much as digits as its factorization.

1143392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35741 (or 35733 counting only the distinct ones).

The product of its digits is 648, while the sum is 23.

The square root of 1143392 is about 1069.2950949107. The cubic root of 1143392 is about 104.5678992195.

The spelling of 1143392 in words is "one million, one hundred forty-three thousand, three hundred ninety-two".