1228770097 has 8 divisors (see below), whose sum is σ = 1248186240. Its totient is φ = 1209463920.

The previous prime is 1228770083. The next prime is 1228770113. The reversal of 1228770097 is 7900778221.

It is a happy number.

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 1228770097 - 2²⁷ = 1094552369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1228770797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4822 + ... + 49807.

It is an arithmetic number, because the mean of its divisors is an integer number (156023280).

Almost surely, 2^1228770097 is an apocalyptic number.

It is an amenable number.

1228770097 is a deficient number, since it is larger than the sum of its proper divisors (19416143).

1228770097 is an equidigital number, since it uses as much as digits as its factorization.

1228770097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54983.

The product of its (nonzero) digits is 98784, while the sum is 43.

The square root of 1228770097 is about 35053.8171530577. The cubic root of 1228770097 is about 1071.0840316697.

The spelling of 1228770097 in words is "one billion, two hundred twenty-eight million, seven hundred seventy thousand, ninety-seven".