1102455 has 12 divisors (see below), whose sum is σ = 1911000. Its totient is φ = 587952.

The previous prime is 1102447. The next prime is 1102457. The reversal of 1102455 is 5542011.

It is not a de Polignac number, because 1102455 - 2³ = 1102447 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1102457) 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 11 ways as a sum of consecutive naturals, for example, 12205 + ... + 12294.

It is an arithmetic number, because the mean of its divisors is an integer number (159250).

2^1102455 is an apocalyptic number.

1102455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1102455 is a deficient number, since it is larger than the sum of its proper divisors (808545).

1102455 is a wasteful number, since it uses less digits than its factorization.

1102455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24510 (or 24507 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 1102455 is about 1049.9785712099. The cubic root of 1102455 is about 103.3047498696.

Adding to 1102455 its reverse (5542011), we get a palindrome (6644466).

The spelling of 1102455 in words is "one million, one hundred two thousand, four hundred fifty-five".