1197867612 has 12 divisors (see below), whose sum is σ = 2795024456. Its totient is φ = 399289200.

The previous prime is 1197867557. The next prime is 1197867653. The reversal of 1197867612 is 2167687911.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×1197867612³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49911139 + ... + 49911162.

Almost surely, 2^1197867612 is an apocalyptic number.

1197867612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1197867612 is an abundant number, since it is smaller than the sum of its proper divisors (1597156844).

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

1197867612 is a wasteful number, since it uses less digits than its factorization.

1197867612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99822308 (or 99822306 counting only the distinct ones).

The product of its digits is 254016, while the sum is 48.

The square root of 1197867612 is about 34610.2240963563. The cubic root of 1197867612 is about 1062.0287514249.

The spelling of 1197867612 in words is "one billion, one hundred ninety-seven million, eight hundred sixty-seven thousand, six hundred twelve".