1172092993 has 4 divisors (see below), whose sum is σ = 1203771220. Its totient is φ = 1140414768.

The previous prime is 1172092967. The next prime is 1172093009. The reversal of 1172092993 is 3992902711.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1059372304 + 112720689 = 32548^2 + 10617^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1172092993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1172092193) 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, 15839058 + ... + 15839131.

It is an arithmetic number, because the mean of its divisors is an integer number (300942805).

Almost surely, 2^1172092993 is an apocalyptic number.

It is an amenable number.

1172092993 is a deficient number, since it is larger than the sum of its proper divisors (31678227).

1172092993 is an equidigital number, since it uses as much as digits as its factorization.

1172092993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31678226.

The product of its (nonzero) digits is 61236, while the sum is 43.

The square root of 1172092993 is about 34235.8436875740. The cubic root of 1172092993 is about 1054.3562008778.

The spelling of 1172092993 in words is "one billion, one hundred seventy-two million, ninety-two thousand, nine hundred ninety-three".