1214785361 has 2 divisors, whose sum is σ = 1214785362. Its totient is φ = 1214785360.

The previous prime is 1214785309. The next prime is 1214785367. The reversal of 1214785361 is 1635874121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1134342400 + 80442961 = 33680^2 + 8969^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214785361 - 2³⁰ = 141043537 is a prime.

It is not a weakly prime, because it can be changed into another prime (1214785367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607392680 + 607392681.

It is an arithmetic number, because the mean of its divisors is an integer number (607392681).

Almost surely, 2^1214785361 is an apocalyptic number.

It is an amenable number.

1214785361 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214785361 is an equidigital number, since it uses as much as digits as its factorization.

1214785361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 38.

The square root of 1214785361 is about 34853.7711159065. The cubic root of 1214785361 is about 1067.0051524184.

The spelling of 1214785361 in words is "one billion, two hundred fourteen million, seven hundred eighty-five thousand, three hundred sixty-one".