1214896261 has 2 divisors, whose sum is σ = 1214896262. Its totient is φ = 1214896260.

The previous prime is 1214896253. The next prime is 1214896273. The reversal of 1214896261 is 1626984121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 845064900 + 369831361 = 29070^2 + 19231^2 .

It is a cyclic number.

It is not a de Polignac number, because 1214896261 - 2³ = 1214896253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214896861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607448130 + 607448131.

It is an arithmetic number, because the mean of its divisors is an integer number (607448131).

Almost surely, 2^1214896261 is an apocalyptic number.

It is an amenable number.

1214896261 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214896261 is an equidigital number, since it uses as much as digits as its factorization.

1214896261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41472, while the sum is 40.

The square root of 1214896261 is about 34855.3620121783. The cubic root of 1214896261 is about 1067.0376210543.

The spelling of 1214896261 in words is "one billion, two hundred fourteen million, eight hundred ninety-six thousand, two hundred sixty-one".