1152455 has 8 divisors (see below), whose sum is σ = 1400112. Its totient is φ = 910528.

The previous prime is 1152421. The next prime is 1152493. The reversal of 1152455 is 5542511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1152455 - 2⁶ = 1152391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1152455.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 974 + ... + 1803.

It is an arithmetic number, because the mean of its divisors is an integer number (175014).

2^1152455 is an apocalyptic number.

1152455 is a deficient number, since it is larger than the sum of its proper divisors (247657).

1152455 is an equidigital number, since it uses as much as digits as its factorization.

1152455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865.

The product of its digits is 1000, while the sum is 23.

The square root of 1152455 is about 1073.5245688851. The cubic root of 1152455 is about 104.8434553098.

Adding to 1152455 its reverse (5542511), we get a palindrome (6694966).

The spelling of 1152455 in words is "one million, one hundred fifty-two thousand, four hundred fifty-five".