1201544132 has 18 divisors (see below), whose sum is σ = 2143144458. Its totient is φ = 589431232.

The previous prime is 1201544129. The next prime is 1201544171. The reversal of 1201544132 is 2314451021.

It can be written as a sum of positive squares in 3 ways, for example, as 355548736 + 845995396 = 18856^2 + 29086^2 .

It is a super-2 number, since 2×1201544132² = 2887416602287266848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1201544098 and 1201544107.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42233 + ... + 64704.

It is an arithmetic number, because the mean of its divisors is an integer number (119063581).

Almost surely, 2^1201544132 is an apocalyptic number.

It is an amenable number.

1201544132 is a deficient number, since it is larger than the sum of its proper divisors (941600326).

1201544132 is a wasteful number, since it uses less digits than its factorization.

1201544132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107047 (or 106992 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1201544132 is about 34663.2966118343. The cubic root of 1201544132 is about 1063.1141752345.

Adding to 1201544132 its reverse (2314451021), we get a palindrome (3515995153).

The spelling of 1201544132 in words is "one billion, two hundred one million, five hundred forty-four thousand, one hundred thirty-two".