1055123301 has 4 divisors (see below), whose sum is σ = 1406831072. Its totient is φ = 703415532.

The previous prime is 1055123299. The next prime is 1055123323. The reversal of 1055123301 is 1033215501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1055123301 - 2¹ = 1055123299 is a prime.

It is a super-3 number, since 3×1055123301³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055123341) 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, 175853881 + ... + 175853886.

It is an arithmetic number, because the mean of its divisors is an integer number (351707768).

Almost surely, 2^1055123301 is an apocalyptic number.

It is an amenable number.

1055123301 is a deficient number, since it is larger than the sum of its proper divisors (351707771).

1055123301 is an equidigital number, since it uses as much as digits as its factorization.

1055123301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351707770.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1055123301 is about 32482.6615442762. The cubic root of 1055123301 is about 1018.0467879139.

Adding to 1055123301 its reverse (1033215501), we get a palindrome (2088338802).

The spelling of 1055123301 in words is "one billion, fifty-five million, one hundred twenty-three thousand, three hundred one".