1070738243 has 4 divisors (see below), whose sum is σ = 1070813640. Its totient is φ = 1070662848.

The previous prime is 1070738239. The next prime is 1070738299. The reversal of 1070738243 is 3428370701.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1070738243 - 2² = 1070738239 is a prime.

It is a super-2 number, since 2×1070738243² = 2292960770045454098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1070798243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9230 + ... + 47187.

It is an arithmetic number, because the mean of its divisors is an integer number (267703410).

Almost surely, 2^1070738243 is an apocalyptic number.

1070738243 is a deficient number, since it is larger than the sum of its proper divisors (75397).

1070738243 is an equidigital number, since it uses as much as digits as its factorization.

1070738243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75396.

The product of its (nonzero) digits is 28224, while the sum is 35.

The square root of 1070738243 is about 32722.1368953802. The cubic root of 1070738243 is about 1023.0442956281.

The spelling of 1070738243 in words is "one billion, seventy million, seven hundred thirty-eight thousand, two hundred forty-three".