1201345234 has 4 divisors (see below), whose sum is σ = 1802017854. Its totient is φ = 600672616.

The previous prime is 1201345231. The next prime is 1201345247. The reversal of 1201345234 is 4325431021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4325431021 = 829 ⋅5217649.

It can be written as a sum of positive squares in only one way, i.e., 1133332225 + 68013009 = 33665^2 + 8247^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1201345199 and 1201345208.

It is not an unprimeable number, because it can be changed into a prime (1201345231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300336307 + ... + 300336310.

Almost surely, 2^1201345234 is an apocalyptic number.

1201345234 is a deficient number, since it is larger than the sum of its proper divisors (600672620).

1201345234 is an equidigital number, since it uses as much as digits as its factorization.

1201345234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600672619.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1201345234 is about 34660.4274930359. The cubic root of 1201345234 is about 1063.0555110134.

Adding to 1201345234 its reverse (4325431021), we get a palindrome (5526776255).

The spelling of 1201345234 in words is "one billion, two hundred one million, three hundred forty-five thousand, two hundred thirty-four".