1213225329 has 8 divisors (see below), whose sum is σ = 1617802560. Its totient is φ = 808732496.

The previous prime is 1213225327. The next prime is 1213225333. The reversal of 1213225329 is 9235223121.

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

It is a cyclic number.

It is not a de Polignac number, because 1213225329 - 2¹ = 1213225327 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1213225296 and 1213225305.

It is not an unprimeable number, because it can be changed into a prime (1213225327) 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, 30412 + ... + 57890.

It is an arithmetic number, because the mean of its divisors is an integer number (202225320).

Almost surely, 2^1213225329 is an apocalyptic number.

It is an amenable number.

1213225329 is a deficient number, since it is larger than the sum of its proper divisors (404577231).

1213225329 is a wasteful number, since it uses less digits than its factorization.

1213225329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42199.

The product of its digits is 6480, while the sum is 30.

The square root of 1213225329 is about 34831.3842532851. The cubic root of 1213225329 is about 1066.5482060612.

The spelling of 1213225329 in words is "one billion, two hundred thirteen million, two hundred twenty-five thousand, three hundred twenty-nine".