1152211652 has 12 divisors (see below), whose sum is σ = 2134980540. Its totient is φ = 542217216.

The previous prime is 1152211637. The next prime is 1152211681. The reversal of 1152211652 is 2561122511.

It can be written as a sum of positive squares in 2 ways, for example, as 962488576 + 189723076 = 31024^2 + 13774^2 .

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, 8472077 + ... + 8472212.

It is an arithmetic number, because the mean of its divisors is an integer number (177915045).

Almost surely, 2^1152211652 is an apocalyptic number.

It is an amenable number.

1152211652 is a deficient number, since it is larger than the sum of its proper divisors (982768888).

1152211652 is a wasteful number, since it uses less digits than its factorization.

1152211652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16944310 (or 16944308 counting only the distinct ones).

The product of its digits is 1200, while the sum is 26.

The square root of 1152211652 is about 33944.2432821826. The cubic root of 1152211652 is about 1048.3607534233.

The spelling of 1152211652 in words is "one billion, one hundred fifty-two million, two hundred eleven thousand, six hundred fifty-two".