1242927242782 has 16 divisors (see below), whose sum is σ = 1892048544000. Its totient is φ = 612294094720.

The previous prime is 1242927242747. The next prime is 1242927242789. The reversal of 1242927242782 is 2872427292421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1242927242789) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12374782 + ... + 12474817.

It is an arithmetic number, because the mean of its divisors is an integer number (118253034000).

Almost surely, 2^{1242927242782} is an apocalyptic number.

1242927242782 is a deficient number, since it is larger than the sum of its proper divisors (649121301218).

1242927242782 is a wasteful number, since it uses less digits than its factorization.

1242927242782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24849971.

The product of its digits is 3612672, while the sum is 52.

The spelling of 1242927242782 in words is "one trillion, two hundred forty-two billion, nine hundred twenty-seven million, two hundred forty-two thousand, seven hundred eighty-two".