1228015098 has 12 divisors (see below), whose sum is σ = 2660699418. Its totient is φ = 409338360.

The previous prime is 1228015081. The next prime is 1228015169. The reversal of 1228015098 is 8905108221.

It can be written as a sum of positive squares in only one way, i.e., 1228011849 + 3249 = 35043^2 + 57^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34111513 + ... + 34111548.

Almost surely, 2^1228015098 is an apocalyptic number.

1228015098 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1228015098 is an abundant number, since it is smaller than the sum of its proper divisors (1432684320).

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

1228015098 is a wasteful number, since it uses less digits than its factorization.

1228015098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68223069 (or 68223066 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 1228015098 is about 35043.0463573018. The cubic root of 1228015098 is about 1070.8646163221.

The spelling of 1228015098 in words is "one billion, two hundred twenty-eight million, fifteen thousand, ninety-eight".