1242673363734 has 32 divisors (see below), whose sum is σ = 2804780010240. Its totient is φ = 363582592800.

The previous prime is 1242673363681. The next prime is 1242673363747. The reversal of 1242673363734 is 4373633762421.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 324625402 + ... + 324629229.

It is an arithmetic number, because the mean of its divisors is an integer number (87649375320).

Almost surely, 2^{1242673363734} is an apocalyptic number.

1242673363734 is an abundant number, since it is smaller than the sum of its proper divisors (1562106646506).

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

1242673363734 is a wasteful number, since it uses less digits than its factorization.

1242673363734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649254676.

The product of its digits is 9144576, while the sum is 51.

The spelling of 1242673363734 in words is "one trillion, two hundred forty-two billion, six hundred seventy-three million, three hundred sixty-three thousand, seven hundred thirty-four".