1230210493 has 2 divisors, whose sum is σ = 1230210494. Its totient is φ = 1230210492.

The previous prime is 1230210481. The next prime is 1230210577. The reversal of 1230210493 is 3940120321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 814132089 + 416078404 = 28533^2 + 20398^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1230210493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1230210403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 615105246 + 615105247.

It is an arithmetic number, because the mean of its divisors is an integer number (615105247).

Almost surely, 2^1230210493 is an apocalyptic number.

It is an amenable number.

1230210493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1230210493 is an equidigital number, since it uses as much as digits as its factorization.

1230210493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1230210493 is about 35074.3566298799. The cubic root of 1230210493 is about 1071.5023856862.

It can be divided in two parts, 1230 and 210493, that multiplied together give a triangular number (258906390 = T₂₂₇₅₅).

The spelling of 1230210493 in words is "one billion, two hundred thirty million, two hundred ten thousand, four hundred ninety-three".