1152440205 has 32 divisors (see below), whose sum is σ = 2156335104. Its totient is φ = 514575936.

The previous prime is 1152440197. The next prime is 1152440227. The reversal of 1152440205 is 5020442511.

It is not a de Polignac number, because 1152440205 - 2³ = 1152440197 is a prime.

It is a super-2 number, since 2×1152440205² = 2656236852200884050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123109 + ... + 132138.

It is an arithmetic number, because the mean of its divisors is an integer number (67385472).

Almost surely, 2^1152440205 is an apocalyptic number.

1152440205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1152440205 is a deficient number, since it is larger than the sum of its proper divisors (1003894899).

1152440205 is a wasteful number, since it uses less digits than its factorization.

1152440205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255305.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1152440205 is about 33947.6097096688. The cubic root of 1152440205 is about 1048.4300665435.

Adding to 1152440205 its reverse (5020442511), we get a palindrome (6172882716).

The spelling of 1152440205 in words is "one billion, one hundred fifty-two million, four hundred forty thousand, two hundred five".