1055600101 has 4 divisors (see below), whose sum is σ = 1055677900. Its totient is φ = 1055522304.

The previous prime is 1055600083. The next prime is 1055600123. The reversal of 1055600101 is 1010065501.

It is a Cunningham number, because it is equal to 32490²+1.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 5904900 + 1049695201 = 2430^2 + 32399^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055600101 - 2¹¹ = 1055598053 is a prime.

It is a super-2 number, since 2×1055600101² = 2228583146462420402, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055600131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12636 + ... + 47653.

It is an arithmetic number, because the mean of its divisors is an integer number (263919475).

Almost surely, 2^1055600101 is an apocalyptic number.

It is an amenable number.

1055600101 is a deficient number, since it is larger than the sum of its proper divisors (77799).

1055600101 is an equidigital number, since it uses as much as digits as its factorization.

1055600101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77798.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 1055600101 is about 32490.0000153894. Note that the first 4 decimals coincide. The cubic root of 1055600101 is about 1018.2001133151.

Adding to 1055600101 its reverse (1010065501), we get a palindrome (2065665602).

It can be divided in two parts, 1055 and 600101, that added together give a triangular number (601156 = T₁₀₉₆).

The spelling of 1055600101 in words is "one billion, fifty-five million, six hundred thousand, one hundred one".