1242241564 has 12 divisors (see below), whose sum is σ = 2248885800. Its totient is φ = 599702768.

The previous prime is 1242241549. The next prime is 1242241591. The reversal of 1242241564 is 4651422421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5354374 + ... + 5354605.

It is an arithmetic number, because the mean of its divisors is an integer number (187407150).

Almost surely, 2^1242241564 is an apocalyptic number.

It is an amenable number.

1242241564 is a deficient number, since it is larger than the sum of its proper divisors (1006644236).

1242241564 is a wasteful number, since it uses less digits than its factorization.

1242241564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10709012 (or 10709010 counting only the distinct ones).

The product of its digits is 15360, while the sum is 31.

The square root of 1242241564 is about 35245.4474223268. The cubic root of 1242241564 is about 1074.9840456258.

Adding to 1242241564 its reverse (4651422421), we get a palindrome (5893663985).

The spelling of 1242241564 in words is "one billion, two hundred forty-two million, two hundred forty-one thousand, five hundred sixty-four".