1201131324 has 36 divisors (see below), whose sum is σ = 3038719320. Its totient is φ = 400044000.

The previous prime is 1201131319. The next prime is 1201131359. The reversal of 1201131324 is 4231311021.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1201131297 and 1201131306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32074 + ... + 58574.

It is an arithmetic number, because the mean of its divisors is an integer number (84408870).

Almost surely, 2^1201131324 is an apocalyptic number.

It is an amenable number.

1201131324 is an abundant number, since it is smaller than the sum of its proper divisors (1837587996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201131324 is a wasteful number, since it uses less digits than its factorization.

1201131324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27770 (or 27765 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1201131324 is about 34657.3415599062. The cubic root of 1201131324 is about 1062.9924118321.

Adding to 1201131324 its reverse (4231311021), we get a palindrome (5432442345).

The spelling of 1201131324 in words is "one billion, two hundred one million, one hundred thirty-one thousand, three hundred twenty-four".