1071438742 has 8 divisors (see below), whose sum is σ = 1753263432. Its totient is φ = 487017600.

The previous prime is 1071438703. The next prime is 1071438811. The reversal of 1071438742 is 2478341701.

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

It is a super-2 number, since 2×1071438742² = 2295961955717085128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24350859 + ... + 24350902.

It is an arithmetic number, because the mean of its divisors is an integer number (219157929).

Almost surely, 2^1071438742 is an apocalyptic number.

1071438742 is a deficient number, since it is larger than the sum of its proper divisors (681824690).

1071438742 is a wasteful number, since it uses less digits than its factorization.

1071438742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48701774.

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 1071438742 is about 32732.8388930749. The cubic root of 1071438742 is about 1023.2673458731.

The spelling of 1071438742 in words is "one billion, seventy-one million, four hundred thirty-eight thousand, seven hundred forty-two".