1201440424 has 32 divisors (see below), whose sum is σ = 2295728640. Its totient is φ = 589334400.

The previous prime is 1201440419. The next prime is 1201440451. The reversal of 1201440424 is 4240441021.

It is a junction number, because it is equal to n+sod(n) for n = 1201440395 and 1201440404.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106159 + ... + 116929.

It is an arithmetic number, because the mean of its divisors is an integer number (71741520).

Almost surely, 2^1201440424 is an apocalyptic number.

It is an amenable number.

1201440424 is a deficient number, since it is larger than the sum of its proper divisors (1094288216).

1201440424 is a wasteful number, since it uses less digits than its factorization.

1201440424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11041 (or 11037 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1201440424 is about 34661.8006456676. The cubic root of 1201440424 is about 1063.0835877557.

Adding to 1201440424 its reverse (4240441021), we get a palindrome (5441881445).

The spelling of 1201440424 in words is "one billion, two hundred one million, four hundred forty thousand, four hundred twenty-four".