1201120242 has 48 divisors (see below), whose sum is σ = 2800514880. Its totient is φ = 342431712.

The previous prime is 1201120241. The next prime is 1201120259. The reversal of 1201120242 is 2420211021.

It is not an unprimeable number, because it can be changed into a prime (1201120241) 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, 138984 + ... + 147372.

It is an arithmetic number, because the mean of its divisors is an integer number (58344060).

Almost surely, 2^1201120242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201120242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1400257440).

1201120242 is an abundant number, since it is smaller than the sum of its proper divisors (1599394638).

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

1201120242 is a wasteful number, since it uses less digits than its factorization.

1201120242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8895 (or 8888 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 1201120242 is about 34657.1816799924. The cubic root of 1201120242 is about 1062.9891426591.

Adding to 1201120242 its reverse (2420211021), we get a palindrome (3621331263).

The spelling of 1201120242 in words is "one billion, two hundred one million, one hundred twenty thousand, two hundred forty-two".