1219192153 has 2 divisors, whose sum is σ = 1219192154. Its totient is φ = 1219192152.

The previous prime is 1219192097. The next prime is 1219192157. The reversal of 1219192153 is 3512919121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1214731609 + 4460544 = 34853^2 + 2112^2 .

It is a cyclic number.

It is not a de Polignac number, because 1219192153 - 2⁹ = 1219191641 is a prime.

It is not a weakly prime, because it can be changed into another prime (1219192157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 609596076 + 609596077.

It is an arithmetic number, because the mean of its divisors is an integer number (609596077).

Almost surely, 2^1219192153 is an apocalyptic number.

It is an amenable number.

1219192153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1219192153 is an equidigital number, since it uses as much as digits as its factorization.

1219192153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4860, while the sum is 34.

The square root of 1219192153 is about 34916.9321819658. The cubic root of 1219192153 is about 1068.2938287453.

The spelling of 1219192153 in words is "one billion, two hundred nineteen million, one hundred ninety-two thousand, one hundred fifty-three".