1211324152 has 8 divisors (see below), whose sum is σ = 2271232800. Its totient is φ = 605662072.

The previous prime is 1211324123. The next prime is 1211324159. The reversal of 1211324152 is 2514231121.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211324159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75707752 + ... + 75707767.

It is an arithmetic number, because the mean of its divisors is an integer number (283904100).

Almost surely, 2^1211324152 is an apocalyptic number.

It is an amenable number.

1211324152 is a deficient number, since it is larger than the sum of its proper divisors (1059908648).

1211324152 is a wasteful number, since it uses less digits than its factorization.

1211324152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151415525 (or 151415521 counting only the distinct ones).

The product of its digits is 480, while the sum is 22.

The square root of 1211324152 is about 34804.0824042238. The cubic root of 1211324152 is about 1065.9908056189.

Adding to 1211324152 its reverse (2514231121), we get a palindrome (3725555273).

The spelling of 1211324152 in words is "one billion, two hundred eleven million, three hundred twenty-four thousand, one hundred fifty-two".