1200234001 has 4 divisors (see below), whose sum is σ = 1252418112. Its totient is φ = 1148049892.

The previous prime is 1200233981. The next prime is 1200234019. The reversal of 1200234001 is 1004320021.

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.

It is a cyclic number.

It is not a de Polignac number, because 1200234001 - 2¹³ = 1200225809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200234031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26092021 + ... + 26092066.

It is an arithmetic number, because the mean of its divisors is an integer number (313104528).

Almost surely, 2^1200234001 is an apocalyptic number.

It is an amenable number.

1200234001 is a deficient number, since it is larger than the sum of its proper divisors (52184111).

1200234001 is an equidigital number, since it uses as much as digits as its factorization.

1200234001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52184110.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 1200234001 is about 34644.3935002476. The cubic root of 1200234001 is about 1062.7276377955.

Adding to 1200234001 its reverse (1004320021), we get a palindrome (2204554022).

The spelling of 1200234001 in words is "one billion, two hundred million, two hundred thirty-four thousand, one".