1172371201 has 2 divisors, whose sum is σ = 1172371202. Its totient is φ = 1172371200.

The previous prime is 1172371177. The next prime is 1172371247. The reversal of 1172371201 is 1021732711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 989039601 + 183331600 = 31449^2 + 13540^2 .

It is a cyclic number.

It is not a de Polignac number, because 1172371201 - 2¹⁷ = 1172240129 is a prime.

It is not a weakly prime, because it can be changed into another prime (1172371001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 586185600 + 586185601.

It is an arithmetic number, because the mean of its divisors is an integer number (586185601).

Almost surely, 2^1172371201 is an apocalyptic number.

It is an amenable number.

1172371201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1172371201 is an equidigital number, since it uses as much as digits as its factorization.

1172371201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 25.

The square root of 1172371201 is about 34239.9065565314. The cubic root of 1172371201 is about 1054.4396149432.

The spelling of 1172371201 in words is "one billion, one hundred seventy-two million, three hundred seventy-one thousand, two hundred one".