1223632149 has 8 divisors (see below), whose sum is σ = 1631702112. Its totient is φ = 815658480.

The previous prime is 1223632133. The next prime is 1223632153. The reversal of 1223632149 is 9412363221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1223632149 - 2⁴ = 1223632133 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1223632049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14334 + ... + 51504.

It is an arithmetic number, because the mean of its divisors is an integer number (203962764).

Almost surely, 2^1223632149 is an apocalyptic number.

It is an amenable number.

1223632149 is a deficient number, since it is larger than the sum of its proper divisors (408069963).

1223632149 is a wasteful number, since it uses less digits than its factorization.

1223632149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48147.

The product of its digits is 15552, while the sum is 33.

The square root of 1223632149 is about 34980.4538135228. The cubic root of 1223632149 is about 1069.5890782425.

The spelling of 1223632149 in words is "one billion, two hundred twenty-three million, six hundred thirty-two thousand, one hundred forty-nine".