1201251234 has 32 divisors (see below), whose sum is σ = 2422379520. Its totient is φ = 397117952.

The previous prime is 1201251203. The next prime is 1201251299. The reversal of 1201251234 is 4321521021.

It is a self number, because there is not a number n which added to its sum of digits gives 1201251234.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 415807 + ... + 418685.

It is an arithmetic number, because the mean of its divisors is an integer number (75699360).

Almost surely, 2^1201251234 is an apocalyptic number.

1201251234 is an abundant number, since it is smaller than the sum of its proper divisors (1221128286).

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

1201251234 is a wasteful number, since it uses less digits than its factorization.

1201251234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3434.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1201251234 is about 34659.0714532285. The cubic root of 1201251234 is about 1063.0277838118.

Adding to 1201251234 its reverse (4321521021), we get a palindrome (5522772255).

The spelling of 1201251234 in words is "one billion, two hundred one million, two hundred fifty-one thousand, two hundred thirty-four".