1055777271 has 4 divisors (see below), whose sum is σ = 1407703032. Its totient is φ = 703851512.

The previous prime is 1055777269. The next prime is 1055777273. The reversal of 1055777271 is 1727775501.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1055777269) and next prime (1055777273).

It is a cyclic number.

It is not a de Polignac number, because 1055777271 - 2¹ = 1055777269 is a prime.

It is a super-2 number, since 2×1055777271² = 2229331291920414882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055777273) 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, 175962876 + ... + 175962881.

It is an arithmetic number, because the mean of its divisors is an integer number (351925758).

Almost surely, 2^1055777271 is an apocalyptic number.

1055777271 is a deficient number, since it is larger than the sum of its proper divisors (351925761).

1055777271 is an equidigital number, since it uses as much as digits as its factorization.

1055777271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351925760.

The product of its (nonzero) digits is 120050, while the sum is 42.

The square root of 1055777271 is about 32492.7264322340. The cubic root of 1055777271 is about 1018.2570744132.

The spelling of 1055777271 in words is "one billion, fifty-five million, seven hundred seventy-seven thousand, two hundred seventy-one".