1227325513 has 4 divisors (see below), whose sum is σ = 1230173568. Its totient is φ = 1224477460.

The previous prime is 1227325511. The next prime is 1227325537. The reversal of 1227325513 is 3155237221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1227325513 - 2¹ = 1227325511 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1227325511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1423381 + ... + 1424242.

It is an arithmetic number, because the mean of its divisors is an integer number (307543392).

Almost surely, 2^1227325513 is an apocalyptic number.

It is an amenable number.

1227325513 is a deficient number, since it is larger than the sum of its proper divisors (2848055).

1227325513 is an equidigital number, since it uses as much as digits as its factorization.

1227325513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2848054.

The product of its digits is 12600, while the sum is 31.

The square root of 1227325513 is about 35033.2058624386. The cubic root of 1227325513 is about 1070.6641327816.

The spelling of 1227325513 in words is "one billion, two hundred twenty-seven million, three hundred twenty-five thousand, five hundred thirteen".