1242925342 has 8 divisors (see below), whose sum is σ = 1864543032. Its totient is φ = 621411000.

The previous prime is 1242925289. The next prime is 1242925357. The reversal of 1242925342 is 2435292421.

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

It is a junction number, because it is equal to n+sod(n) for n = 1242925298 and 1242925307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21792 + ... + 54412.

It is an arithmetic number, because the mean of its divisors is an integer number (233067879).

Almost surely, 2^1242925342 is an apocalyptic number.

1242925342 is a deficient number, since it is larger than the sum of its proper divisors (621617690).

1242925342 is a wasteful number, since it uses less digits than its factorization.

1242925342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51674.

The product of its digits is 34560, while the sum is 34.

The square root of 1242925342 is about 35255.1463193673. The cubic root of 1242925342 is about 1075.1812471033.

The spelling of 1242925342 in words is "one billion, two hundred forty-two million, nine hundred twenty-five thousand, three hundred forty-two".