1201144006 has 4 divisors (see below), whose sum is σ = 1801716012. Its totient is φ = 600572002.

The previous prime is 1201144003. The next prime is 1201144031. The reversal of 1201144006 is 6004411021.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201144003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300286000 + ... + 300286003.

It is an arithmetic number, because the mean of its divisors is an integer number (450429003).

Almost surely, 2^1201144006 is an apocalyptic number.

1201144006 is a deficient number, since it is larger than the sum of its proper divisors (600572006).

1201144006 is an equidigital number, since it uses as much as digits as its factorization.

1201144006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600572005.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1201144006 is about 34657.5245221005. The cubic root of 1201144006 is about 1062.9961529779.

Adding to 1201144006 its reverse (6004411021), we get a palindrome (7205555027).

The spelling of 1201144006 in words is "one billion, two hundred one million, one hundred forty-four thousand, six".