1229801208 has 16 divisors (see below), whose sum is σ = 3074503080. Its totient is φ = 409933728.

The previous prime is 1229801207. The next prime is 1229801291. The reversal of 1229801208 is 8021089221.

It is a super-2 number, since 2×1229801208² = 3024822022396518528, which contains 22 as substring.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229801207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25620835 + ... + 25620882.

Almost surely, 2^1229801208 is an apocalyptic number.

It is an amenable number.

1229801208 is an abundant number, since it is smaller than the sum of its proper divisors (1844701872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1229801208 is a wasteful number, since it uses less digits than its factorization.

1229801208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51241726 (or 51241722 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 1229801208 is about 35068.5216112684. The cubic root of 1229801208 is about 1071.3835446424.

The spelling of 1229801208 in words is "one billion, two hundred twenty-nine million, eight hundred one thousand, two hundred eight".