1170266057 has 4 divisors (see below), whose sum is σ = 1173801936. Its totient is φ = 1166730180.

The previous prime is 1170266051. The next prime is 1170266101. The reversal of 1170266057 is 7506620711.

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 1170266057 - 2⁸ = 1170265801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1170266051) 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, 1767443 + ... + 1768104.

It is an arithmetic number, because the mean of its divisors is an integer number (293450484).

Almost surely, 2^1170266057 is an apocalyptic number.

It is an amenable number.

1170266057 is a deficient number, since it is larger than the sum of its proper divisors (3535879).

1170266057 is an equidigital number, since it uses as much as digits as its factorization.

1170266057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3535878.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 1170266057 is about 34209.1516556608. The cubic root of 1170266057 is about 1053.8081092767.

Adding to 1170266057 its reverse (7506620711), we get a palindrome (8676886768).

The spelling of 1170266057 in words is "one billion, one hundred seventy million, two hundred sixty-six thousand, fifty-seven".