1203200136 has 32 divisors (see below), whose sum is σ = 3342223200. Its totient is φ = 401066640.

The previous prime is 1203200129. The next prime is 1203200153. The reversal of 1203200136 is 6310023021.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2784970 + ... + 2785401.

It is an arithmetic number, because the mean of its divisors is an integer number (104444475).

Almost surely, 2^1203200136 is an apocalyptic number.

It is an amenable number.

1203200136 is an abundant number, since it is smaller than the sum of its proper divisors (2139023064).

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

1203200136 is a wasteful number, since it uses less digits than its factorization.

1203200136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5570386 (or 5570376 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1203200136 is about 34687.1753822648. The cubic root of 1203200136 is about 1063.6023562613.

Adding to 1203200136 its reverse (6310023021), we get a palindrome (7513223157).

The spelling of 1203200136 in words is "one billion, two hundred three million, two hundred thousand, one hundred thirty-six".