1055266801 has 4 divisors (see below), whose sum is σ = 1055380032. Its totient is φ = 1055153572.

The previous prime is 1055266769. The next prime is 1055266811. The reversal of 1055266801 is 1086625501.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 1055266801 - 2⁵ = 1055266769 is a prime.

It is a super-2 number, since 2×1055266801² = 2227176042585547202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055266811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41245 + ... + 61738.

It is an arithmetic number, because the mean of its divisors is an integer number (263845008).

Almost surely, 2^1055266801 is an apocalyptic number.

It is an amenable number.

1055266801 is a deficient number, since it is larger than the sum of its proper divisors (113231).

1055266801 is a wasteful number, since it uses less digits than its factorization.

1055266801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113230.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 1055266801 is about 32484.8703398982. The cubic root of 1055266801 is about 1018.0929383154.

The spelling of 1055266801 in words is "one billion, fifty-five million, two hundred sixty-six thousand, eight hundred one".