1242341504 has 128 divisors (see below), whose sum is σ = 2772506880. Its totient is φ = 551485440.

The previous prime is 1242341497. The next prime is 1242341531. The reversal of 1242341504 is 4051432421.

It is a tau number, because it is divible by the number of its divisors (128).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5154824 + ... + 5155064.

It is an arithmetic number, because the mean of its divisors is an integer number (21660210).

Almost surely, 2^1242341504 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 1242341504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1386253440).

1242341504 is an abundant number, since it is smaller than the sum of its proper divisors (1530165376).

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

1242341504 is a wasteful number, since it uses less digits than its factorization.

1242341504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398 (or 386 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 1242341504 is about 35246.8651655718. The cubic root of 1242341504 is about 1075.0128728222.

Adding to 1242341504 its reverse (4051432421), we get a palindrome (5293773925).

The spelling of 1242341504 in words is "one billion, two hundred forty-two million, three hundred forty-one thousand, five hundred four".