1200402196 has 18 divisors (see below), whose sum is σ = 2443676298. Its totient is φ = 514458000.

The previous prime is 1200402187. The next prime is 1200402239. The reversal of 1200402196 is 6912040021.

It can be written as a sum of positive squares in only one way, i.e., 1032336900 + 168065296 = 32130^2 + 12964^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1200402196.

It is a congruent 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, 3062055 + ... + 3062446.

Almost surely, 2^1200402196 is an apocalyptic number.

It is an amenable number.

1200402196 is an abundant number, since it is smaller than the sum of its proper divisors (1243274102).

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

1200402196 is a wasteful number, since it uses less digits than its factorization.

1200402196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6124519 (or 6124510 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 1200402196 is about 34646.8208642582. The cubic root of 1200402196 is about 1062.7772773175. Note that the first 3 decimals are identical.

The spelling of 1200402196 in words is "one billion, two hundred million, four hundred two thousand, one hundred ninety-six".