1201011044 has 6 divisors (see below), whose sum is σ = 2101769334. Its totient is φ = 600505520.

The previous prime is 1201011043. The next prime is 1201011059. The reversal of 1201011044 is 4401101021.

It can be written as a sum of positive squares in only one way, i.e., 767954944 + 433056100 = 27712^2 + 20810^2 .

It is not an unprimeable number, because it can be changed into a prime (1201011043) 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 as a sum of consecutive naturals, namely, 150126377 + ... + 150126384.

It is an arithmetic number, because the mean of its divisors is an integer number (350294889).

Almost surely, 2^1201011044 is an apocalyptic number.

It is an amenable number.

1201011044 is a deficient number, since it is larger than the sum of its proper divisors (900758290).

1201011044 is a wasteful number, since it uses less digits than its factorization.

1201011044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300252765 (or 300252763 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 1201011044 is about 34655.6062419921. The cubic root of 1201011044 is about 1062.9569283417.

Adding to 1201011044 its reverse (4401101021), we get a palindrome (5602112065).

The spelling of 1201011044 in words is "one billion, two hundred one million, eleven thousand, forty-four".