1214631022609 has 27 divisors (see below), whose sum is σ = 1257595328521. Its totient is φ = 1173122517320.

The previous prime is 1214631022589. The next prime is 1214631022637. The reversal of 1214631022609 is 9062201364121.

It is a happy number.

The square root of 1214631022609 is 1102103.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1214631022609 - 2⁷ = 1214631022481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1214631002609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 6785648082 + ... + 6785648260.

Almost surely, 2^{1214631022609} is an apocalyptic number.

1214631022609 is the 1102103-rd square number.

1214631022609 is the 551052-nd centered octagonal number.

It is an amenable number.

1214631022609 is a deficient number, since it is larger than the sum of its proper divisors (42964305912).

1214631022609 is an frugal number, since it uses more digits than its factorization.

1214631022609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 714 (or 357 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The spelling of 1214631022609 in words is "one trillion, two hundred fourteen billion, six hundred thirty-one million, twenty-two thousand, six hundred nine".