1102399 has 8 divisors (see below), whose sum is σ = 1229040. Its totient is φ = 982656.

The previous prime is 1102397. The next prime is 1102411. The reversal of 1102399 is 9932011.

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

It is a cyclic number.

It is not a de Polignac number, because 1102399 - 2¹ = 1102397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102393) 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 7 ways as a sum of consecutive naturals, for example, 1384 + ... + 2029.

It is an arithmetic number, because the mean of its divisors is an integer number (153630).

2^1102399 is an apocalyptic number.

1102399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1102399 is a deficient number, since it is larger than the sum of its proper divisors (126641).

1102399 is a wasteful number, since it uses less digits than its factorization.

1102399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3449.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 1102399 is about 1049.9519036604. The cubic root of 1102399 is about 103.3030006935.

It can be divided in two parts, 1 and 102399, that added together give a square (102400 = 320²).

The spelling of 1102399 in words is "one million, one hundred two thousand, three hundred ninety-nine".