1057518842 has 8 divisors (see below), whose sum is σ = 1586446932. Its totient is φ = 528703200.

The previous prime is 1057518827. The next prime is 1057518877. The reversal of 1057518842 is 2488157501.

It can be written as a sum of positive squares in 2 ways, for example, as 979001521 + 78517321 = 31289^2 + 8861^2 .

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

It is a super-2 number, since 2×1057518842² = 2236692202370041928, 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 1057518842.

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, 1742 + ... + 46022.

Almost surely, 2^1057518842 is an apocalyptic number.

1057518842 is a deficient number, since it is larger than the sum of its proper divisors (528928090).

1057518842 is a wasteful number, since it uses less digits than its factorization.

1057518842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56224.

The product of its (nonzero) digits is 89600, while the sum is 41.

The square root of 1057518842 is about 32519.5147872781. The cubic root of 1057518842 is about 1018.8166598609.

The spelling of 1057518842 in words is "one billion, fifty-seven million, five hundred eighteen thousand, eight hundred forty-two".