1171312106 has 4 divisors (see below), whose sum is σ = 1756968162. Its totient is φ = 585656052.

The previous prime is 1171312061. The next prime is 1171312123. The reversal of 1171312106 is 6012131711.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1018567225 + 152744881 = 31915^2 + 12359^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 292828025 + ... + 292828028.

Almost surely, 2^1171312106 is an apocalyptic number.

1171312106 is a deficient number, since it is larger than the sum of its proper divisors (585656056).

1171312106 is an equidigital number, since it uses as much as digits as its factorization.

1171312106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585656055.

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 1171312106 is about 34224.4372634526. The cubic root of 1171312106 is about 1054.1219999037.

Adding to 1171312106 its reverse (6012131711), we get a palindrome (7183443817).

The spelling of 1171312106 in words is "one billion, one hundred seventy-one million, three hundred twelve thousand, one hundred six".