1201451044 has 18 divisors (see below), whose sum is σ = 2155083602. Its totient is φ = 586070400.

The previous prime is 1201451029. The next prime is 1201451051. The reversal of 1201451044 is 4401541021.

It can be written as a sum of positive squares in 3 ways, for example, as 2214144 + 1199236900 = 1488^2 + 34630^2 .

It is a super-2 number, since 2×1201451044² = 2886969222257379872, which contains 22 as substring.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 82617 + ... + 96064.

Almost surely, 2^1201451044 is an apocalyptic number.

It is an amenable number.

1201451044 is a deficient number, since it is larger than the sum of its proper divisors (953632558).

1201451044 is a wasteful number, since it uses less digits than its factorization.

1201451044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178767 (or 178724 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1201451044 is about 34661.9538399093. The cubic root of 1201451044 is about 1063.0867200831.

Adding to 1201451044 its reverse (4401541021), we get a palindrome (5602992065).

The spelling of 1201451044 in words is "one billion, two hundred one million, four hundred fifty-one thousand, forty-four".