1200232001 has 8 divisors (see below), whose sum is σ = 1205867520. Its totient is φ = 1194605712.

The previous prime is 1200231979. The next prime is 1200232009. The reversal of 1200232001 is 1002320021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1200232001 - 2²⁶ = 1133123137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200232009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 446006 + ... + 448688.

It is an arithmetic number, because the mean of its divisors is an integer number (150733440).

Almost surely, 2^1200232001 is an apocalyptic number.

It is an amenable number.

1200232001 is a deficient number, since it is larger than the sum of its proper divisors (5635519).

1200232001 is a wasteful number, since it uses less digits than its factorization.

1200232001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4615.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 1200232001 is about 34644.3646355363. The cubic root of 1200232001 is about 1062.7270475060.

Adding to 1200232001 its reverse (1002320021), we get a palindrome (2202552022).

It can be divided in two parts, 1 and 200232001, that added together give a palindrome (200232002).

The spelling of 1200232001 in words is "one billion, two hundred million, two hundred thirty-two thousand, one".