1213241469 has 12 divisors (see below), whose sum is σ = 1778084448. Its totient is φ = 735297640.

The previous prime is 1213241459. The next prime is 1213241527. The reversal of 1213241469 is 9641423121.

It is not a de Polignac number, because 1213241469 - 2⁸ = 1213241213 is a prime.

It is a super-2 number, since 2×1213241469² = 2943909724202555922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213241459) 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 11 ways as a sum of consecutive naturals, for example, 1670769 + ... + 1671494.

It is an arithmetic number, because the mean of its divisors is an integer number (148173704).

Almost surely, 2^1213241469 is an apocalyptic number.

It is an amenable number.

1213241469 is a deficient number, since it is larger than the sum of its proper divisors (564842979).

1213241469 is a wasteful number, since it uses less digits than its factorization.

1213241469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3342288 (or 3342277 counting only the distinct ones).

The product of its digits is 10368, while the sum is 33.

The square root of 1213241469 is about 34831.6159401197. The cubic root of 1213241469 is about 1066.5529356063.

The spelling of 1213241469 in words is "one billion, two hundred thirteen million, two hundred forty-one thousand, four hundred sixty-nine".