1101456 has 30 divisors (see below), whose sum is σ = 3082950. Its totient is φ = 367104.

The previous prime is 1101439. The next prime is 1101467. The reversal of 1101456 is 6541011.

It can be written as a sum of positive squares in only one way, i.e., 665856 + 435600 = 816^2 + 660^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3681 + ... + 3968.

It is an arithmetic number, because the mean of its divisors is an integer number (102765).

2^1101456 is an apocalyptic number.

1101456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1101456 is an abundant number, since it is smaller than the sum of its proper divisors (1981494).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1101456 is a wasteful number, since it uses less digits than its factorization.

1101456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7663 (or 7654 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 1101456 is about 1049.5027393961. The cubic root of 1101456 is about 103.2735369151.

Adding to 1101456 its reverse (6541011), we get a palindrome (7642467).

The spelling of 1101456 in words is "one million, one hundred one thousand, four hundred fifty-six".