1200234445 has 8 divisors (see below), whose sum is σ = 1451276640. Its totient is φ = 952857360.

The previous prime is 1200234443. The next prime is 1200234467. The reversal of 1200234445 is 5444320021.

It is a happy number.

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

It is not a de Polignac number, because 1200234445 - 2¹ = 1200234443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1200234443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 915555 + ... + 916864.

It is an arithmetic number, because the mean of its divisors is an integer number (181409580).

Almost surely, 2^1200234445 is an apocalyptic number.

It is an amenable number.

1200234445 is a deficient number, since it is larger than the sum of its proper divisors (251042195).

1200234445 is a wasteful number, since it uses less digits than its factorization.

1200234445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1832555.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 1200234445 is about 34644.3999082103. The cubic root of 1200234445 is about 1062.7277688397.

Adding to 1200234445 its reverse (5444320021), we get a palindrome (6644554466).

The spelling of 1200234445 in words is "one billion, two hundred million, two hundred thirty-four thousand, four hundred forty-five".