1214211461 has 2 divisors, whose sum is σ = 1214211462. Its totient is φ = 1214211460.

The previous prime is 1214211437. The next prime is 1214211517. The reversal of 1214211461 is 1641124121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 831226561 + 382984900 = 28831^2 + 19570^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214211461 - 2²⁶ = 1147102597 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214211431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607105730 + 607105731.

It is an arithmetic number, because the mean of its divisors is an integer number (607105731).

Almost surely, 2^1214211461 is an apocalyptic number.

It is an amenable number.

1214211461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214211461 is an equidigital number, since it uses as much as digits as its factorization.

1214211461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 23.

The square root of 1214211461 is about 34845.5371747947. The cubic root of 1214211461 is about 1066.8370978431.

Adding to 1214211461 its reverse (1641124121), we get a palindrome (2855335582).

The spelling of 1214211461 in words is "one billion, two hundred fourteen million, two hundred eleven thousand, four hundred sixty-one".