1102239 has 6 divisors (see below), whose sum is σ = 1592136. Its totient is φ = 734820.

The previous prime is 1102237. The next prime is 1102243. The reversal of 1102239 is 9322011.

It is a happy number.

It is not a de Polignac number, because 1102239 - 2¹ = 1102237 is a prime.

1102239 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61227 + ... + 61244.

It is an arithmetic number, because the mean of its divisors is an integer number (265356).

2^1102239 is an apocalyptic number.

1102239 is a deficient number, since it is larger than the sum of its proper divisors (489897).

1102239 is a wasteful number, since it uses less digits than its factorization.

1102239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122477 (or 122474 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1102239 is about 1049.8757069292. The cubic root of 1102239 is about 103.2980027209.

The spelling of 1102239 in words is "one million, one hundred two thousand, two hundred thirty-nine".