1055013101 has 4 divisors (see below), whose sum is σ = 1055171292. Its totient is φ = 1054854912.

The previous prime is 1055013073. The next prime is 1055013109. The reversal of 1055013101 is 1013105501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1013105501 = 4019 ⋅252079.

It can be written as a sum of positive squares in 2 ways, for example, as 665898025 + 389115076 = 25805^2 + 19726^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055013101 - 2²⁶ = 987904237 is a prime.

It is a super-2 number, since 2×1055013101² = 2226105286563272402, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1055013101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055013109) 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, 68630 + ... + 82583.

It is an arithmetic number, because the mean of its divisors is an integer number (263792823).

Almost surely, 2^1055013101 is an apocalyptic number.

It is an amenable number.

1055013101 is a deficient number, since it is larger than the sum of its proper divisors (158191).

1055013101 is an equidigital number, since it uses as much as digits as its factorization.

1055013101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158190.

The product of its (nonzero) digits is 75, while the sum is 17.

The square root of 1055013101 is about 32480.9652104121. The cubic root of 1055013101 is about 1018.0113441379.

Adding to 1055013101 its reverse (1013105501), we get a palindrome (2068118602).

The spelling of 1055013101 in words is "one billion, fifty-five million, thirteen thousand, one hundred one".