1152267641 has 4 divisors (see below), whose sum is σ = 1316877312. Its totient is φ = 987657972.

The previous prime is 1152267631. The next prime is 1152267659. The reversal of 1152267641 is 1467622511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1152267641 - 2⁶ = 1152267577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1152267631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82304825 + ... + 82304838.

It is an arithmetic number, because the mean of its divisors is an integer number (329219328).

Almost surely, 2^1152267641 is an apocalyptic number.

It is an amenable number.

1152267641 is a deficient number, since it is larger than the sum of its proper divisors (164609671).

1152267641 is an equidigital number, since it uses as much as digits as its factorization.

1152267641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164609670.

The product of its digits is 20160, while the sum is 35.

The square root of 1152267641 is about 33945.0679922725. The cubic root of 1152267641 is about 1048.3777340186.

The spelling of 1152267641 in words is "one billion, one hundred fifty-two million, two hundred sixty-seven thousand, six hundred forty-one".