1056540104 has 32 divisors (see below), whose sum is σ = 1995840000. Its totient is φ = 524332032.

The previous prime is 1056540103. The next prime is 1056540139. The reversal of 1056540104 is 4010456501.

It is a super-2 number, since 2×1056540104² = 2232553982720661632, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056540101) 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 7 ways as a sum of consecutive naturals, for example, 800357 + ... + 801675.

It is an arithmetic number, because the mean of its divisors is an integer number (62370000).

Almost surely, 2^1056540104 is an apocalyptic number.

It is an amenable number.

1056540104 is a deficient number, since it is larger than the sum of its proper divisors (939299896).

1056540104 is a wasteful number, since it uses less digits than its factorization.

1056540104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1997 (or 1993 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1056540104 is about 32504.4628320482. The cubic root of 1056540104 is about 1018.5022565228.

Adding to 1056540104 its reverse (4010456501), we get a palindrome (5066996605).

The spelling of 1056540104 in words is "one billion, fifty-six million, five hundred forty thousand, one hundred four".