1225511339 has 8 divisors (see below), whose sum is σ = 1332117360. Its totient is φ = 1120667616.

The previous prime is 1225511321. The next prime is 1225511341. The reversal of 1225511339 is 9331155221.

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 1225511339 - 2¹⁶ = 1225445803 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1225511389) 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, 439124 + ... + 441905.

It is an arithmetic number, because the mean of its divisors is an integer number (166514670).

Almost surely, 2^1225511339 is an apocalyptic number.

1225511339 is a deficient number, since it is larger than the sum of its proper divisors (106606021).

1225511339 is a wasteful number, since it uses less digits than its factorization.

1225511339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881149.

The product of its digits is 8100, while the sum is 32.

The square root of 1225511339 is about 35007.3040807201. The cubic root of 1225511339 is about 1070.1363377675.

The spelling of 1225511339 in words is "one billion, two hundred twenty-five million, five hundred eleven thousand, three hundred thirty-nine".