1198273536 has 66 divisors (see below), whose sum is σ = 3460015442. Its totient is φ = 399421440.

The previous prime is 1198273529. The next prime is 1198273541. The reversal of 1198273536 is 6353728911.

1198273536 is a `hidden beast` number, since 1 + 1 + 98 + 27 + 3 + 536 = 666.

It can be written as a sum of positive squares in only one way, i.e., 671846400 + 526427136 = 25920^2 + 22944^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1198273491 and 1198273500.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55795 + ... + 74226.

Almost surely, 2^1198273536 is an apocalyptic number.

1198273536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1198273536 is an abundant number, since it is smaller than the sum of its proper divisors (2261741906).

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

1198273536 is a wasteful number, since it uses less digits than its factorization.

1198273536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130047 (or 130026 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 1198273536 is about 34616.0878205496. The cubic root of 1198273536 is about 1062.1487018734.

The spelling of 1198273536 in words is "one billion, one hundred ninety-eight million, two hundred seventy-three thousand, five hundred thirty-six".