1115454 has 32 divisors (see below), whose sum is σ = 2384640. Its totient is φ = 347072.

The previous prime is 1115453. The next prime is 1115467. The reversal of 1115454 is 4545111.

It is a super-2 number, since 2×1115454² = 2488475252232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1115454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8074 + ... + 8210.

It is an arithmetic number, because the mean of its divisors is an integer number (74520).

2^1115454 is an apocalyptic number.

1115454 is an abundant number, since it is smaller than the sum of its proper divisors (1269186).

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

1115454 is a wasteful number, since it uses less digits than its factorization.

1115454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224.

The product of its digits is 400, while the sum is 21.

The square root of 1115454 is about 1056.1505574491. The cubic root of 1115454 is about 103.7091850876.

It can be divided in two parts, 111 and 5454, that added together give a triangular number (5565 = T₁₀₅).

The spelling of 1115454 in words is "one million, one hundred fifteen thousand, four hundred fifty-four".