1227881325 has 96 divisors (see below), whose sum is σ = 2343849984. Its totient is φ = 561600000.

The previous prime is 1227881323. The next prime is 1227881359. The reversal of 1227881325 is 5231887221.

It is not a de Polignac number, because 1227881325 - 2¹ = 1227881323 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1227881323) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1047990 + ... + 1049160.

It is an arithmetic number, because the mean of its divisors is an integer number (24415104).

Almost surely, 2^1227881325 is an apocalyptic number.

1227881325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1227881325 is a deficient number, since it is larger than the sum of its proper divisors (1115968659).

1227881325 is a wasteful number, since it uses less digits than its factorization.

1227881325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1267 (or 1262 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The square root of 1227881325 is about 35041.1376099578. The cubic root of 1227881325 is about 1070.8257302708.

The spelling of 1227881325 in words is "one billion, two hundred twenty-seven million, eight hundred eighty-one thousand, three hundred twenty-five".