1201225106 has 8 divisors (see below), whose sum is σ = 1896671280. Its totient is φ = 569001348.

The previous prime is 1201225097. The next prime is 1201225127. The reversal of 1201225106 is 6015221021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1201225106² = 2885883510569422472, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15805556 + ... + 15805631.

It is an arithmetic number, because the mean of its divisors is an integer number (237083910).

Almost surely, 2^1201225106 is an apocalyptic number.

1201225106 is a deficient number, since it is larger than the sum of its proper divisors (695446174).

1201225106 is a wasteful number, since it uses less digits than its factorization.

1201225106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31611208.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 1201225106 is about 34658.6945224427. The cubic root of 1201225106 is about 1063.0200765728.

Adding to 1201225106 its reverse (6015221021), we get a palindrome (7216446127).

The spelling of 1201225106 in words is "one billion, two hundred one million, two hundred twenty-five thousand, one hundred six".