1123012420242 has 8 divisors (see below), whose sum is σ = 2246024840496. Its totient is φ = 374337473412.

The previous prime is 1123012420237. The next prime is 1123012420249. The reversal of 1123012420242 is 2420242103211.

It is a sphenic number, since it is the product of 3 distinct primes.

1123012420242 is an admirable number.

It is a super-3 number, since 3×1123012420242³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1123012420249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93584368348 + ... + 93584368359.

It is an arithmetic number, because the mean of its divisors is an integer number (280753105062).

Almost surely, 2^{1123012420242} is an apocalyptic number.

1123012420242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1123012420242 is a wasteful number, since it uses less digits than its factorization.

1123012420242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187168736712.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 1123012420242 its reverse (2420242103211), we get a palindrome (3543254523453).

The spelling of 1123012420242 in words is "one trillion, one hundred twenty-three billion, twelve million, four hundred twenty thousand, two hundred forty-two".