1102742 has 8 divisors (see below), whose sum is σ = 1669896. Its totient is φ = 546112.

The previous prime is 1102733. The next prime is 1102747. The reversal of 1102742 is 2472011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1102742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2363 + ... + 2790.

It is an arithmetic number, because the mean of its divisors is an integer number (208737).

2^1102742 is an apocalyptic number.

1102742 is a deficient number, since it is larger than the sum of its proper divisors (567154).

1102742 is a wasteful number, since it uses less digits than its factorization.

1102742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5262.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 1102742 is about 1050.1152317722. The cubic root of 1102742 is about 103.3137134678.

Adding to 1102742 its reverse (2472011), we get a palindrome (3574753).

The spelling of 1102742 in words is "one million, one hundred two thousand, seven hundred forty-two".