1200432141 has 24 divisors (see below), whose sum is σ = 1826653920. Its totient is φ = 757571616.

The previous prime is 1200432091. The next prime is 1200432187. The reversal of 1200432141 is 1412340021.

It is not a de Polignac number, because 1200432141 - 2²¹ = 1198334989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200432041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 338011 + ... + 341543.

It is an arithmetic number, because the mean of its divisors is an integer number (76110580).

Almost surely, 2^1200432141 is an apocalyptic number.

It is an amenable number.

1200432141 is a deficient number, since it is larger than the sum of its proper divisors (626221779).

1200432141 is a wasteful number, since it uses less digits than its factorization.

1200432141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5545 (or 5542 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 1200432141 is about 34647.2530079947. The cubic root of 1200432141 is about 1062.7861145225.

Adding to 1200432141 its reverse (1412340021), we get a palindrome (2612772162).

The spelling of 1200432141 in words is "one billion, two hundred million, four hundred thirty-two thousand, one hundred forty-one".