1153204215 has 8 divisors (see below), whose sum is σ = 1845126768. Its totient is φ = 615042240.

The previous prime is 1153204193. The next prime is 1153204219. The reversal of 1153204215 is 5124023511.

It is a happy number.

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

It is not a de Polignac number, because 1153204215 - 2²⁰ = 1152155639 is a prime.

It is a super-2 number, since 2×1153204215² = 2659759922987532450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153204219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38440126 + ... + 38440155.

It is an arithmetic number, because the mean of its divisors is an integer number (230640846).

Almost surely, 2^1153204215 is an apocalyptic number.

1153204215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1153204215 is a deficient number, since it is larger than the sum of its proper divisors (691922553).

1153204215 is an equidigital number, since it uses as much as digits as its factorization.

1153204215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76880289.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1153204215 is about 33958.8606257630. The cubic root of 1153204215 is about 1048.6617008637.

Adding to 1153204215 its reverse (5124023511), we get a palindrome (6277227726).

The spelling of 1153204215 in words is "one billion, one hundred fifty-three million, two hundred four thousand, two hundred fifteen".