1172570993 has 16 divisors (see below), whose sum is σ = 1331064576. Its totient is φ = 1023584640.

The previous prime is 1172570977. The next prime is 1172571011. The reversal of 1172570993 is 3990752711.

It is a cyclic number.

It is not a de Polignac number, because 1172570993 - 2⁴ = 1172570977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1172570933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6005 + ... + 48797.

It is an arithmetic number, because the mean of its divisors is an integer number (83191536).

Almost surely, 2^1172570993 is an apocalyptic number.

It is an amenable number.

1172570993 is a deficient number, since it is larger than the sum of its proper divisors (158493583).

1172570993 is a wasteful number, since it uses less digits than its factorization.

1172570993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42904.

The product of its (nonzero) digits is 119070, while the sum is 44.

The square root of 1172570993 is about 34242.8239635694. The cubic root of 1172570993 is about 1054.4995096914.

The spelling of 1172570993 in words is "one billion, one hundred seventy-two million, five hundred seventy thousand, nine hundred ninety-three".