1238071742 has 16 divisors (see below), whose sum is σ = 1879349472. Its totient is φ = 611649120.

The previous prime is 1238071727. The next prime is 1238071759. The reversal of 1238071742 is 2471708321.

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 7 ways as a sum of consecutive naturals, for example, 88448 + ... + 101484.

It is an arithmetic number, because the mean of its divisors is an integer number (117459342).

Almost surely, 2^1238071742 is an apocalyptic number.

1238071742 is a deficient number, since it is larger than the sum of its proper divisors (641277730).

1238071742 is a wasteful number, since it uses less digits than its factorization.

1238071742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13603.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 1238071742 is about 35186.2436471983. The cubic root of 1238071742 is about 1073.7799006149.

The spelling of 1238071742 in words is "one billion, two hundred thirty-eight million, seventy-one thousand, seven hundred forty-two".