1117727057 has 4 divisors (see below), whose sum is σ = 1128578880. Its totient is φ = 1106875236.

The previous prime is 1117727047. The next prime is 1117727063. The reversal of 1117727057 is 7507277111.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7507277111 = 1871 ⋅4012441.

It is a cyclic number.

It is not a de Polignac number, because 1117727057 - 2¹² = 1117722961 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1117727057.

It is not an unprimeable number, because it can be changed into a prime (1117727047) 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, 5425757 + ... + 5425962.

It is an arithmetic number, because the mean of its divisors is an integer number (282144720).

Almost surely, 2^1117727057 is an apocalyptic number.

It is an amenable number.

1117727057 is a deficient number, since it is larger than the sum of its proper divisors (10851823).

1117727057 is a wasteful number, since it uses less digits than its factorization.

1117727057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10851822.

The product of its (nonzero) digits is 24010, while the sum is 38.

The square root of 1117727057 is about 33432.4252335962. The cubic root of 1117727057 is about 1037.7958301314.

The spelling of 1117727057 in words is "one billion, one hundred seventeen million, seven hundred twenty-seven thousand, fifty-seven".