1242699126934 has 8 divisors (see below), whose sum is σ = 1864217308968. Its totient is φ = 621293357280.

The previous prime is 1242699126919. The next prime is 1242699126947. The reversal of 1242699126934 is 4396219962421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1242699126934² (a number of 25 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 28075452 + ... + 28119679.

It is an arithmetic number, because the mean of its divisors is an integer number (233027163621).

Almost surely, 2^{1242699126934} is an apocalyptic number.

1242699126934 is a deficient number, since it is larger than the sum of its proper divisors (621518182034).

1242699126934 is a wasteful number, since it uses less digits than its factorization.

1242699126934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56206190.

The product of its digits is 10077696, while the sum is 58.

The spelling of 1242699126934 in words is "one trillion, two hundred forty-two billion, six hundred ninety-nine million, one hundred twenty-six thousand, nine hundred thirty-four".