1055541140 has 12 divisors (see below), whose sum is σ = 2216636436. Its totient is φ = 422216448.

The previous prime is 1055541131. The next prime is 1055541229. The reversal of 1055541140 is 411455501.

It can be written as a sum of positive squares in 2 ways, for example, as 583608964 + 471932176 = 24158^2 + 21724^2 .

It is a super-2 number, since 2×1055541140² = 2228334196464999200, which contains 22 as substring.

It is a congruent number.

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, 26388509 + ... + 26388548.

It is an arithmetic number, because the mean of its divisors is an integer number (184719703).

Almost surely, 2^1055541140 is an apocalyptic number.

1055541140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1055541140 is an abundant number, since it is smaller than the sum of its proper divisors (1161095296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1055541140 is a wasteful number, since it uses less digits than its factorization.

1055541140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52777066 (or 52777064 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1055541140 is about 32489.0926312201. The cubic root of 1055541140 is about 1018.1811556263.

Adding to 1055541140 its reverse (411455501), we get a palindrome (1466996641).

The spelling of 1055541140 in words is "one billion, fifty-five million, five hundred forty-one thousand, one hundred forty".