1201399196 has 12 divisors (see below), whose sum is σ = 2103391080. Its totient is φ = 600430320.

The previous prime is 1201399193. The next prime is 1201399217. The reversal of 1201399196 is 6919931021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201399193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57110 + ... + 75261.

It is an arithmetic number, because the mean of its divisors is an integer number (175282590).

Almost surely, 2^1201399196 is an apocalyptic number.

It is an amenable number.

1201399196 is a deficient number, since it is larger than the sum of its proper divisors (901991884).

1201399196 is a wasteful number, since it uses less digits than its factorization.

1201399196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134644 (or 134642 counting only the distinct ones).

The product of its (nonzero) digits is 26244, while the sum is 41.

The square root of 1201399196 is about 34661.2059224719. The cubic root of 1201399196 is about 1063.0714275435.

The spelling of 1201399196 in words is "one billion, two hundred one million, three hundred ninety-nine thousand, one hundred ninety-six".