1153454 has 4 divisors (see below), whose sum is σ = 1730184. Its totient is φ = 576726.

The previous prime is 1153441. The next prime is 1153457. The reversal of 1153454 is 4543511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4543511 = 7 ⋅649073.

It is a super-2 number, since 2×1153454² = 2660912260232, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153457) 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 as a sum of consecutive naturals, namely, 288362 + ... + 288365.

It is an arithmetic number, because the mean of its divisors is an integer number (432546).

2^1153454 is an apocalyptic number.

1153454 is a deficient number, since it is larger than the sum of its proper divisors (576730).

1153454 is an equidigital number, since it uses as much as digits as its factorization.

1153454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576729.

The product of its digits is 1200, while the sum is 23.

The square root of 1153454 is about 1073.9897578655. The cubic root of 1153454 is about 104.8737409066.

Adding to 1153454 its reverse (4543511), we get a palindrome (5696965).

The spelling of 1153454 in words is "one million, one hundred fifty-three thousand, four hundred fifty-four".