1242363558 has 16 divisors (see below), whose sum is σ = 2497342320. Its totient is φ = 412018656.

The previous prime is 1242363517. The next prime is 1242363589. The reversal of 1242363558 is 8553632421.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 524353 + ... + 526716.

It is an arithmetic number, because the mean of its divisors is an integer number (156083895).

Almost surely, 2^1242363558 is an apocalyptic number.

1242363558 is an abundant number, since it is smaller than the sum of its proper divisors (1254978762).

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

1242363558 is a wasteful number, since it uses less digits than its factorization.

1242363558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051271.

The product of its digits is 172800, while the sum is 39.

The square root of 1242363558 is about 35247.1780147007. The cubic root of 1242363558 is about 1075.0192339807.

Adding to 1242363558 its reverse (8553632421), we get a palindrome (9795995979).

The spelling of 1242363558 in words is "one billion, two hundred forty-two million, three hundred sixty-three thousand, five hundred fifty-eight".