1203434201 has 4 divisors (see below), whose sum is σ = 1229039232. Its totient is φ = 1177829172.

The previous prime is 1203434189. The next prime is 1203434203. The reversal of 1203434201 is 1024343021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1024343021 = 13 ⋅78795617.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1203434201 is a prime.

It is a super-2 number, since 2×1203434201² = 2896507752273016802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1203434203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12802445 + ... + 12802538.

It is an arithmetic number, because the mean of its divisors is an integer number (307259808).

Almost surely, 2^1203434201 is an apocalyptic number.

It is an amenable number.

1203434201 is a deficient number, since it is larger than the sum of its proper divisors (25605031).

1203434201 is an equidigital number, since it uses as much as digits as its factorization.

1203434201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25605030.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1203434201 is about 34690.5491596775. The cubic root of 1203434201 is about 1063.6713212203.

Adding to 1203434201 its reverse (1024343021), we get a palindrome (2227777222).

The spelling of 1203434201 in words is "one billion, two hundred three million, four hundred thirty-four thousand, two hundred one".