1214313987 has 16 divisors (see below), whose sum is σ = 1666385280. Its totient is φ = 786223872.

The previous prime is 1214313979. The next prime is 1214314019. The reversal of 1214313987 is 7893134121.

It is not a de Polignac number, because 1214313987 - 2³ = 1214313979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1214313887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26638 + ... + 56019.

It is an arithmetic number, because the mean of its divisors is an integer number (104149080).

Almost surely, 2^1214313987 is an apocalyptic number.

1214313987 is a deficient number, since it is larger than the sum of its proper divisors (452071293).

1214313987 is an equidigital number, since it uses as much as digits as its factorization.

1214313987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82802.

The product of its digits is 36288, while the sum is 39.

The square root of 1214313987 is about 34847.0082933959. The cubic root of 1214313987 is about 1066.8671243158.

The spelling of 1214313987 in words is "one billion, two hundred fourteen million, three hundred thirteen thousand, nine hundred eighty-seven".