1057979954 has 16 divisors (see below), whose sum is σ = 1593700056. Its totient is φ = 526752000.

The previous prime is 1057979947. The next prime is 1057979963. The reversal of 1057979954 is 4599797501.

It can be written as a sum of positive squares in 4 ways, for example, as 1049436025 + 8543929 = 32395^2 + 2923^2 .

It is a super-2 number, since 2×1057979954² = 2238643166131684232, 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 1057979954.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 895244 + ... + 896424.

Almost surely, 2^1057979954 is an apocalyptic number.

1057979954 is a deficient number, since it is larger than the sum of its proper divisors (535720102).

1057979954 is a wasteful number, since it uses less digits than its factorization.

1057979954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2701.

The product of its (nonzero) digits is 3572100, while the sum is 56.

The square root of 1057979954 is about 32526.6037882838. The cubic root of 1057979954 is about 1018.9647172144.

The spelling of 1057979954 in words is "one billion, fifty-seven million, nine hundred seventy-nine thousand, nine hundred fifty-four".