1455120193 has 2 divisors, whose sum is σ = 1455120194. Its totient is φ = 1455120192.

The previous prime is 1455120157. The next prime is 1455120203. The reversal of 1455120193 is 3910215541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1046393104 + 408727089 = 32348^2 + 20217^2 .

It is an emirp because it is prime and its reverse (3910215541) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1455120193 - 2²⁹ = 918249281 is a prime.

It is not a weakly prime, because it can be changed into another prime (1455120103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727560096 + 727560097.

It is an arithmetic number, because the mean of its divisors is an integer number (727560097).

Almost surely, 2^1455120193 is an apocalyptic number.

It is an amenable number.

1455120193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1455120193 is an equidigital number, since it uses as much as digits as its factorization.

1455120193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 1455120193 is about 38146.0377103573. The cubic root of 1455120193 is about 1133.1818829821.

The spelling of 1455120193 in words is "one billion, four hundred fifty-five million, one hundred twenty thousand, one hundred ninety-three".