1242241002 has 16 divisors (see below), whose sum is σ = 2760535680. Its totient is φ = 414080316.

The previous prime is 1242240947. The next prime is 1242241009. The reversal of 1242241002 is 2001422421.

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 (1242241009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11502178 + ... + 11502285.

It is an arithmetic number, because the mean of its divisors is an integer number (172533480).

Almost surely, 2^1242241002 is an apocalyptic number.

1242241002 is an abundant number, since it is smaller than the sum of its proper divisors (1518294678).

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

1242241002 is a wasteful number, since it uses less digits than its factorization.

1242241002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23004474 (or 23004468 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1242241002 is about 35245.4394496650. The cubic root of 1242241002 is about 1074.9838835154.

Adding to 1242241002 its reverse (2001422421), we get a palindrome (3243663423).

The spelling of 1242241002 in words is "one billion, two hundred forty-two million, two hundred forty-one thousand, two".