1214780827 has 16 divisors (see below), whose sum is σ = 1380395520. Its totient is φ = 1059760800.

The previous prime is 1214780821. The next prime is 1214780837. The reversal of 1214780827 is 7280874121.

It is a cyclic number.

It is not a de Polignac number, because 1214780827 - 2¹⁹ = 1214256539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1214780827.

It is not an unprimeable number, because it can be changed into a prime (1214780821) 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 in 15 ways as a sum of consecutive naturals, for example, 100752 + ... + 112162.

It is an arithmetic number, because the mean of its divisors is an integer number (86274720).

Almost surely, 2^1214780827 is an apocalyptic number.

1214780827 is a deficient number, since it is larger than the sum of its proper divisors (165614693).

1214780827 is a wasteful number, since it uses less digits than its factorization.

1214780827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11874.

The product of its (nonzero) digits is 50176, while the sum is 40.

The square root of 1214780827 is about 34853.7060726689. The cubic root of 1214780827 is about 1067.0038249391.

The spelling of 1214780827 in words is "one billion, two hundred fourteen million, seven hundred eighty thousand, eight hundred twenty-seven".