1219400153 has 2 divisors, whose sum is σ = 1219400154. Its totient is φ = 1219400152.

The previous prime is 1219400129. The next prime is 1219400167. The reversal of 1219400153 is 3510049121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1144265929 + 75134224 = 33827^2 + 8668^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1219400153 is a prime.

It is not a weakly prime, because it can be changed into another prime (1219405153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 609700076 + 609700077.

It is an arithmetic number, because the mean of its divisors is an integer number (609700077).

Almost surely, 2^1219400153 is an apocalyptic number.

It is an amenable number.

1219400153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1219400153 is an equidigital number, since it uses as much as digits as its factorization.

1219400153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 1219400153 is about 34919.9105525773. The cubic root of 1219400153 is about 1068.3545772993.

Adding to 1219400153 its reverse (3510049121), we get a palindrome (4729449274).

The spelling of 1219400153 in words is "one billion, two hundred nineteen million, four hundred thousand, one hundred fifty-three".