1214415551 has 2 divisors, whose sum is σ = 1214415552. Its totient is φ = 1214415550.

The previous prime is 1214415547. The next prime is 1214415611. The reversal of 1214415551 is 1555144121.

It is a weak prime.

It is an emirp because it is prime and its reverse (1555144121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1214415551 - 2² = 1214415547 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214415541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607207775 + 607207776.

It is an arithmetic number, because the mean of its divisors is an integer number (607207776).

Almost surely, 2^1214415551 is an apocalyptic number.

1214415551 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214415551 is an equidigital number, since it uses as much as digits as its factorization.

1214415551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4000, while the sum is 29.

The square root of 1214415551 is about 34848.4655472806. The cubic root of 1214415551 is about 1066.8968673842.

Adding to 1214415551 its reverse (1555144121), we get a palindrome (2769559672).

The spelling of 1214415551 in words is "one billion, two hundred fourteen million, four hundred fifteen thousand, five hundred fifty-one".