1214243153 has 2 divisors, whose sum is σ = 1214243154. Its totient is φ = 1214243152.

The previous prime is 1214243131. The next prime is 1214243161. The reversal of 1214243153 is 3513424121.

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., 1211527249 + 2715904 = 34807^2 + 1648^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214243153 - 2¹⁶ = 1214177617 is a prime.

It is not a weakly prime, because it can be changed into another prime (1214243183) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607121576 + 607121577.

It is an arithmetic number, because the mean of its divisors is an integer number (607121577).

Almost surely, 2^1214243153 is an apocalyptic number.

It is an amenable number.

1214243153 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214243153 is an equidigital number, since it uses as much as digits as its factorization.

1214243153 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 26.

The square root of 1214243153 is about 34845.9919215970. The cubic root of 1214243153 is about 1066.8463795617.

Adding to 1214243153 its reverse (3513424121), we get a palindrome (4727667274).

The spelling of 1214243153 in words is "one billion, two hundred fourteen million, two hundred forty-three thousand, one hundred fifty-three".