1172938073 has 16 divisors (see below), whose sum is σ = 1227994320. Its totient is φ = 1119225600.

The previous prime is 1172938049. The next prime is 1172938093. The reversal of 1172938073 is 3708392711.

It can be written as a sum of positive squares in 8 ways, for example, as 21557449 + 1151380624 = 4643^2 + 33932^2 .

It is a cyclic number.

It is not a de Polignac number, because 1172938073 - 2⁶ = 1172938009 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 1172938073.

It is not an unprimeable number, because it can be changed into a prime (1172938003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1148303 + ... + 1149323.

It is an arithmetic number, because the mean of its divisors is an integer number (76749645).

Almost surely, 2^1172938073 is an apocalyptic number.

It is an amenable number.

1172938073 is a deficient number, since it is larger than the sum of its proper divisors (55056247).

1172938073 is a wasteful number, since it uses less digits than its factorization.

1172938073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 1172938073 is about 34248.1834992748. The cubic root of 1172938073 is about 1054.6095372281.

The spelling of 1172938073 in words is "one billion, one hundred seventy-two million, nine hundred thirty-eight thousand, seventy-three".