1242238002 has 16 divisors (see below), whose sum is σ = 2495619840. Its totient is φ = 412222032.

The previous prime is 1242238001. The next prime is 1242238013. The reversal of 1242238002 is 2008322421.

It is a super-2 number, since 2×1242238002² = 3086310507225904008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1242238001) 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 7 ways as a sum of consecutive naturals, for example, 462877 + ... + 465552.

It is an arithmetic number, because the mean of its divisors is an integer number (155976240).

Almost surely, 2^1242238002 is an apocalyptic number.

1242238002 is an abundant number, since it is smaller than the sum of its proper divisors (1253381838).

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

1242238002 is a wasteful number, since it uses less digits than its factorization.

1242238002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928657.

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

The square root of 1242238002 is about 35245.3968909417. The cubic root of 1242238002 is about 1074.9830181561.

The spelling of 1242238002 in words is "one billion, two hundred forty-two million, two hundred thirty-eight thousand, two".