1230190553 has 2 divisors, whose sum is σ = 1230190554. Its totient is φ = 1230190552.

The previous prime is 1230190543. The next prime is 1230190583. The reversal of 1230190553 is 3550910321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1036646809 + 193543744 = 32197^2 + 13912^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230190553 - 2²² = 1225996249 is a prime.

It is not a weakly prime, because it can be changed into another prime (1230190513) 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 as a sum of consecutive naturals, namely, 615095276 + 615095277.

It is an arithmetic number, because the mean of its divisors is an integer number (615095277).

Almost surely, 2^1230190553 is an apocalyptic number.

It is an amenable number.

1230190553 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230190553 is an equidigital number, since it uses as much as digits as its factorization.

1230190553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4050, while the sum is 29.

The square root of 1230190553 is about 35074.0723754742. The cubic root of 1230190553 is about 1071.4965964675.

The spelling of 1230190553 in words is "one billion, two hundred thirty million, one hundred ninety thousand, five hundred fifty-three".