1214208001 has 2 divisors, whose sum is σ = 1214208002. Its totient is φ = 1214208000.

The previous prime is 1214207993. The next prime is 1214208029. The reversal of 1214208001 is 1008024121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1141088400 + 73119601 = 33780^2 + 8551^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214208001 - 2³ = 1214207993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1214208001.

It is not a weakly prime, because it can be changed into another prime (1214208601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607104000 + 607104001.

It is an arithmetic number, because the mean of its divisors is an integer number (607104001).

Almost surely, 2^1214208001 is an apocalyptic number.

It is an amenable number.

1214208001 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214208001 is an equidigital number, since it uses as much as digits as its factorization.

1214208001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 1214208001 is about 34845.4875270816. The cubic root of 1214208001 is about 1066.8360844942.

The spelling of 1214208001 in words is "one billion, two hundred fourteen million, two hundred eight thousand, one".