1198351026 has 12 divisors (see below), whose sum is σ = 2596427262. Its totient is φ = 399450336.

The previous prime is 1198351009. The next prime is 1198351027. The reversal of 1198351026 is 6201538911.

1198351026 is a `hidden beast` number, since 119 + 8 + 3 + 510 + 26 = 666.

It can be written as a sum of positive squares in only one way, i.e., 610337025 + 588014001 = 24705^2 + 24249^2 .

It is not an unprimeable number, because it can be changed into a prime (1198351027) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33287511 + ... + 33287546.

Almost surely, 2^1198351026 is an apocalyptic number.

1198351026 is an abundant number, since it is smaller than the sum of its proper divisors (1398076236).

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

1198351026 is a wasteful number, since it uses less digits than its factorization.

1198351026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66575065 (or 66575062 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The square root of 1198351026 is about 34617.2070797169. The cubic root of 1198351026 is about 1062.1715970712.

Adding to 1198351026 its reverse (6201538911), we get a palindrome (7399889937).

The spelling of 1198351026 in words is "one billion, one hundred ninety-eight million, three hundred fifty-one thousand, twenty-six".