1214145701 has 2 divisors, whose sum is σ = 1214145702. Its totient is φ = 1214145700.

The previous prime is 1214145683. The next prime is 1214145703. The reversal of 1214145701 is 1075414121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 733001476 + 481144225 = 27074^2 + 21935^2 .

It is an emirp because it is prime and its reverse (1075414121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1214145701 - 2⁶ = 1214145637 is a prime.

It is a Sophie Germain prime.

Together with 1214145703, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214145703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607072850 + 607072851.

It is an arithmetic number, because the mean of its divisors is an integer number (607072851).

Almost surely, 2^1214145701 is an apocalyptic number.

It is an amenable number.

1214145701 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214145701 is an equidigital number, since it uses as much as digits as its factorization.

1214145701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 1214145701 is about 34844.5935691608. The cubic root of 1214145701 is about 1066.8178380255.

Adding to 1214145701 its reverse (1075414121), we get a palindrome (2289559822).

The spelling of 1214145701 in words is "one billion, two hundred fourteen million, one hundred forty-five thousand, seven hundred one".