1225201255 has 8 divisors (see below), whose sum is σ = 1472517792. Its totient is φ = 978643488.

The previous prime is 1225201247. The next prime is 1225201273. The reversal of 1225201255 is 5521025221.

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 1225201255 - 2³ = 1225201247 is a prime.

It is a super-2 number, since 2×1225201255² = 3002236230507150050, which contains 22 as substring.

It is a Duffinian number.

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, 186132 + ... + 192601.

It is an arithmetic number, because the mean of its divisors is an integer number (184064724).

Almost surely, 2^1225201255 is an apocalyptic number.

1225201255 is a deficient number, since it is larger than the sum of its proper divisors (247316537).

1225201255 is an equidigital number, since it uses as much as digits as its factorization.

1225201255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379385.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 1225201255 is about 35002.8749533520. The cubic root of 1225201255 is about 1070.0460733647.

Adding to 1225201255 its reverse (5521025221), we get a palindrome (6746226476).

The spelling of 1225201255 in words is "one billion, two hundred twenty-five million, two hundred one thousand, two hundred fifty-five".