1216114051 has 2 divisors, whose sum is σ = 1216114052. Its totient is φ = 1216114050.

The previous prime is 1216114013. The next prime is 1216114061. The reversal of 1216114051 is 1504116121.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (1504116121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1216114051 - 2⁷ = 1216113923 is a prime.

It is not a weakly prime, because it can be changed into another prime (1216114001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 608057025 + 608057026.

It is an arithmetic number, because the mean of its divisors is an integer number (608057026).

Almost surely, 2^1216114051 is an apocalyptic number.

1216114051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1216114051 is an equidigital number, since it uses as much as digits as its factorization.

1216114051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 22.

The square root of 1216114051 is about 34872.8268283487. The cubic root of 1216114051 is about 1067.3940283881.

The spelling of 1216114051 in words is "one billion, two hundred sixteen million, one hundred fourteen thousand, fifty-one".