1201113432 has 96 divisors (see below), whose sum is σ = 3295918080. Its totient is φ = 395133120.

The previous prime is 1201113379. The next prime is 1201113439. The reversal of 1201113432 is 2343111021.

1201113432 is a `hidden beast` number, since 120 + 1 + 113 + 432 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201113439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2296323 + ... + 2296845.

It is an arithmetic number, because the mean of its divisors is an integer number (34332480).

Almost surely, 2^1201113432 is an apocalyptic number.

1201113432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201113432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1647959040).

1201113432 is an abundant number, since it is smaller than the sum of its proper divisors (2094804648).

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

1201113432 is a wasteful number, since it uses less digits than its factorization.

1201113432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 893 (or 886 counting only the distinct ones).

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

The square root of 1201113432 is about 34657.0834318181. The cubic root of 1201113432 is about 1062.9871337096.

Adding to 1201113432 its reverse (2343111021), we get a palindrome (3544224453).

The spelling of 1201113432 in words is "one billion, two hundred one million, one hundred thirteen thousand, four hundred thirty-two".