1056437938 has 4 divisors (see below), whose sum is σ = 1584656910. Its totient is φ = 528218968.

The previous prime is 1056437927. The next prime is 1056437959. The reversal of 1056437938 is 8397346501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 879893569 + 176544369 = 29663^2 + 13287^2 .

It is a super-3 number, since 3×1056437938³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264109483 + ... + 264109486.

Almost surely, 2^1056437938 is an apocalyptic number.

1056437938 is a deficient number, since it is larger than the sum of its proper divisors (528218972).

1056437938 is an equidigital number, since it uses as much as digits as its factorization.

1056437938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528218971.

The product of its (nonzero) digits is 544320, while the sum is 46.

The square root of 1056437938 is about 32502.8912252433. The cubic root of 1056437938 is about 1018.4694262007.

The spelling of 1056437938 in words is "one billion, fifty-six million, four hundred thirty-seven thousand, nine hundred thirty-eight".