1214699287 has 2 divisors, whose sum is σ = 1214699288. Its totient is φ = 1214699286.

The previous prime is 1214699267. The next prime is 1214699293. The reversal of 1214699287 is 7829964121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1214699287 - 2¹⁹ = 1214174999 is a prime.

It is a super-3 number, since 3×1214699287³ (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1214699287.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1214699267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 607349643 + 607349644.

It is an arithmetic number, because the mean of its divisors is an integer number (607349644).

Almost surely, 2^1214699287 is an apocalyptic number.

1214699287 is a deficient number, since it is larger than the sum of its proper divisors (1).

1214699287 is an equidigital number, since it uses as much as digits as its factorization.

1214699287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 49.

The square root of 1214699287 is about 34852.5363065588. The cubic root of 1214699287 is about 1066.9799508276.

The spelling of 1214699287 in words is "one billion, two hundred fourteen million, six hundred ninety-nine thousand, two hundred eighty-seven".