1011241242 has 48 divisors (see below), whose sum is σ = 2404947168. Its totient is φ = 304547040.

The previous prime is 1011241213. The next prime is 1011241247. The reversal of 1011241242 is 2421421101.

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

It is not an unprimeable number, because it can be changed into a prime (1011241247) 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, 16608 + ... + 47940.

It is an arithmetic number, because the mean of its divisors is an integer number (50103066).

Almost surely, 2^1011241242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1011241242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1202473584).

1011241242 is an abundant number, since it is smaller than the sum of its proper divisors (1393705926).

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

1011241242 is a wasteful number, since it uses less digits than its factorization.

1011241242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31515 (or 31512 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 1011241242 is about 31800.0195282959. The cubic root of 1011241242 is about 1003.7331270869.

Adding to 1011241242 its reverse (2421421101), we get a palindrome (3432662343).

The spelling of 1011241242 in words is "one billion, eleven million, two hundred forty-one thousand, two hundred forty-two".