1201242432 has 112 divisors (see below), whose sum is σ = 3453871680. Its totient is φ = 366256128.

The previous prime is 1201242431. The next prime is 1201242443. The reversal of 1201242432 is 2342421021.

It is a junction number, because it is equal to n+sod(n) for n = 1201242399 and 1201242408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201242431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279919 + ... + 284177.

It is an arithmetic number, because the mean of its divisors is an integer number (30838140).

Almost surely, 2^1201242432 is an apocalyptic number.

1201242432 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 1201242432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1726935840).

1201242432 is an abundant number, since it is smaller than the sum of its proper divisors (2252629248).

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

1201242432 is a wasteful number, since it uses less digits than its factorization.

1201242432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4400 (or 4390 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1201242432 is about 34658.9444732525. The cubic root of 1201242432 is about 1063.0251874098.

Adding to 1201242432 its reverse (2342421021), we get a palindrome (3543663453).

The spelling of 1201242432 in words is "one billion, two hundred one million, two hundred forty-two thousand, four hundred thirty-two".