1246752113 has 2 divisors, whose sum is σ = 1246752114. Its totient is φ = 1246752112.

The previous prime is 1246752109. The next prime is 1246752131. The reversal of 1246752113 is 3112576421.

1246752113 = 24967² + 24968².

Together with next prime (1246752131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 623401024 + 623351089 = 24968^2 + 24967^2 .

It is a cyclic number.

It is not a de Polignac number, because 1246752113 - 2² = 1246752109 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1246752113.

It is not a weakly prime, because it can be changed into another prime (1246751113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 623376056 + 623376057.

It is an arithmetic number, because the mean of its divisors is an integer number (623376057).

Almost surely, 2^1246752113 is an apocalyptic number.

1246752113 is the 24968-th centered square number.

It is an amenable number.

1246752113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1246752113 is an equidigital number, since it uses as much as digits as its factorization.

1246752113 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 32.

The square root of 1246752113 is about 35309.3771256305. The cubic root of 1246752113 is about 1076.2835543997.

The spelling of 1246752113 in words is "one billion, two hundred forty-six million, seven hundred fifty-two thousand, one hundred thirteen".