1152342605 has 4 divisors (see below), whose sum is σ = 1382811132. Its totient is φ = 921874080.

The previous prime is 1152342577. The next prime is 1152342617. The reversal of 1152342605 is 5062432511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5062432511 = 877 ⋅5772443.

It can be written as a sum of positive squares in 2 ways, for example, as 644245924 + 508096681 = 25382^2 + 22541^2 .

It is not a de Polignac number, because 1152342605 - 2¹⁰ = 1152341581 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115234256 + ... + 115234265.

It is an arithmetic number, because the mean of its divisors is an integer number (345702783).

Almost surely, 2^1152342605 is an apocalyptic number.

It is an amenable number.

1152342605 is a deficient number, since it is larger than the sum of its proper divisors (230468527).

1152342605 is an equidigital number, since it uses as much as digits as its factorization.

1152342605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230468526.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1152342605 is about 33946.1721700695. The cubic root of 1152342605 is about 1048.4004685760.

The spelling of 1152342605 in words is "one billion, one hundred fifty-two million, three hundred forty-two thousand, six hundred five".