1214648129 has 2 divisors, whose sum is σ = 1214648130. Its totient is φ = 1214648128.

The previous prime is 1214648111. The next prime is 1214648167. The reversal of 1214648129 is 9218464121.

It is an a-pointer prime, because the next prime (1214648167) can be obtained adding 1214648129 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 800607025 + 414041104 = 28295^2 + 20348^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1214648129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1214648092 and 1214648101.

It is not a weakly prime, because it can be changed into another prime (1214648179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607324064 + 607324065.

It is an arithmetic number, because the mean of its divisors is an integer number (607324065).

Almost surely, 2^1214648129 is an apocalyptic number.

It is an amenable number.

1214648129 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214648129 is an equidigital number, since it uses as much as digits as its factorization.

1214648129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 38.

The square root of 1214648129 is about 34851.8023780693. The cubic root of 1214648129 is about 1066.9649717220.

The spelling of 1214648129 in words is "one billion, two hundred fourteen million, six hundred forty-eight thousand, one hundred twenty-nine".