1154554 has 16 divisors (see below), whose sum is σ = 1903680. Its totient is φ = 522720.

The previous prime is 1154551. The next prime is 1154561. The reversal of 1154554 is 4554511.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1154551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 214 + ... + 1534.

It is an arithmetic number, because the mean of its divisors is an integer number (118980).

2^1154554 is an apocalyptic number.

1154554 is a deficient number, since it is larger than the sum of its proper divisors (749126).

1154554 is a wasteful number, since it uses less digits than its factorization.

1154554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365.

The product of its digits is 2000, while the sum is 25.

The square root of 1154554 is about 1074.5017449963. The cubic root of 1154554 is about 104.9070681893.

The spelling of 1154554 in words is "one million, one hundred fifty-four thousand, five hundred fifty-four".