1201442132 has 24 divisors (see below), whose sum is σ = 2303525952. Its totient is φ = 543761600.

The previous prime is 1201442129. The next prime is 1201442141. The reversal of 1201442132 is 2312441021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48344 + ... + 68847.

It is an arithmetic number, because the mean of its divisors is an integer number (95980248).

Almost surely, 2^1201442132 is an apocalyptic number.

It is an amenable number.

1201442132 is a deficient number, since it is larger than the sum of its proper divisors (1102083820).

1201442132 is a wasteful number, since it uses less digits than its factorization.

1201442132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117439 (or 117437 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1201442132 is about 34661.8252837325. The cubic root of 1201442132 is about 1063.0840915249.

Adding to 1201442132 its reverse (2312441021), we get a palindrome (3513883153).

The spelling of 1201442132 in words is "one billion, two hundred one million, four hundred forty-two thousand, one hundred thirty-two".