1057217234 has 8 divisors (see below), whose sum is σ = 1586287308. Its totient is φ = 528454800.

The previous prime is 1057217179. The next prime is 1057217251. The reversal of 1057217234 is 4327127501.

It can be written as a sum of positive squares in 2 ways, for example, as 1053197209 + 4020025 = 32453^2 + 2005^2 .

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

It is a super-2 number, since 2×1057217234² = 2235416559733221512, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1057217234.

It is an unprimeable number.

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, 68117 + ... + 82184.

Almost surely, 2^1057217234 is an apocalyptic number.

1057217234 is a deficient number, since it is larger than the sum of its proper divisors (529070074).

1057217234 is a wasteful number, since it uses less digits than its factorization.

1057217234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153820.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 1057217234 is about 32514.8771180209. The cubic root of 1057217234 is about 1018.7197939831.

The spelling of 1057217234 in words is "one billion, fifty-seven million, two hundred seventeen thousand, two hundred thirty-four".