1242003048 has 192 divisors, whose sum is σ = 3716254080. Its totient is φ = 343580160.

The previous prime is 1242003031. The next prime is 1242003079. The reversal of 1242003048 is 8403002421.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6304486 + ... + 6304682.

It is an arithmetic number, because the mean of its divisors is an integer number (19355490).

Almost surely, 2^1242003048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1242003048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1858127040).

1242003048 is an abundant number, since it is smaller than the sum of its proper divisors (2474251032).

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

1242003048 is a wasteful number, since it uses less digits than its factorization.

1242003048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 393 counting only the distinct ones).

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

The square root of 1242003048 is about 35242.0636172174. The cubic root of 1242003048 is about 1074.9152406221.

Adding to 1242003048 its reverse (8403002421), we get a palindrome (9645005469).

The spelling of 1242003048 in words is "one billion, two hundred forty-two million, three thousand, forty-eight".