1230432641 has 2 divisors, whose sum is σ = 1230432642. Its totient is φ = 1230432640.

The previous prime is 1230432629. The next prime is 1230432649. The reversal of 1230432641 is 1462340321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 992502016 + 237930625 = 31504^2 + 15425^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230432641 - 2¹⁸ = 1230170497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1230432641.

It is not a weakly prime, because it can be changed into another prime (1230432649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615216320 + 615216321.

It is an arithmetic number, because the mean of its divisors is an integer number (615216321).

Almost surely, 2^1230432641 is an apocalyptic number.

It is an amenable number.

1230432641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230432641 is an equidigital number, since it uses as much as digits as its factorization.

1230432641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 1230432641 is about 35077.5233019665. The cubic root of 1230432641 is about 1071.5668781144.

Adding to 1230432641 its reverse (1462340321), we get a palindrome (2692772962).

The spelling of 1230432641 in words is "one billion, two hundred thirty million, four hundred thirty-two thousand, six hundred forty-one".