1102456 has 16 divisors (see below), whose sum is σ = 2176200. Its totient is φ = 522144.

The previous prime is 1102447. The next prime is 1102457. The reversal of 1102456 is 6542011.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an Ulam number.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3475 + ... + 3778.

2^1102456 is an apocalyptic number.

It is an amenable number.

1102456 is a deficient number, since it is larger than the sum of its proper divisors (1073744).

1102456 is a wasteful number, since it uses less digits than its factorization.

1102456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7278 (or 7274 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1102456 is about 1049.9790474100. The cubic root of 1102456 is about 103.3047811044.

Adding to 1102456 its reverse (6542011), we get a palindrome (7644467).

The spelling of 1102456 in words is "one million, one hundred two thousand, four hundred fifty-six".