1225343005 has 8 divisors (see below), whose sum is σ = 1474293600. Its totient is φ = 977686416.

The previous prime is 1225342997. The next prime is 1225343029. The reversal of 1225343005 is 5003435221.

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 1225343005 - 2³ = 1225342997 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 321415 + ... + 325204.

It is an arithmetic number, because the mean of its divisors is an integer number (184286700).

Almost surely, 2^1225343005 is an apocalyptic number.

It is an amenable number.

1225343005 is a deficient number, since it is larger than the sum of its proper divisors (248950595).

1225343005 is an equidigital number, since it uses as much as digits as its factorization.

1225343005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647003.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 1225343005 is about 35004.8997284666. The cubic root of 1225343005 is about 1070.0873381994.

Adding to 1225343005 its reverse (5003435221), we get a palindrome (6228778226).

The spelling of 1225343005 in words is "one billion, two hundred twenty-five million, three hundred forty-three thousand, five".