1201203434 has 4 divisors (see below), whose sum is σ = 1801805154. Its totient is φ = 600601716.

The previous prime is 1201203433. The next prime is 1201203449. The reversal of 1201203434 is 4343021021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4343021021 = 89 ⋅48797989.

It can be written as a sum of positive squares in only one way, i.e., 1099254025 + 101949409 = 33155^2 + 10097^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1201203431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300300857 + ... + 300300860.

Almost surely, 2^1201203434 is an apocalyptic number.

1201203434 is a deficient number, since it is larger than the sum of its proper divisors (600601720).

1201203434 is an equidigital number, since it uses as much as digits as its factorization.

1201203434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600601719.

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

The square root of 1201203434 is about 34658.3818722109. The cubic root of 1201203434 is about 1063.0136836801.

Adding to 1201203434 its reverse (4343021021), we get a palindrome (5544224455).

The spelling of 1201203434 in words is "one billion, two hundred one million, two hundred three thousand, four hundred thirty-four".