1201440418 has 8 divisors (see below), whose sum is σ = 1812952512. Its totient is φ = 597122916.

The previous prime is 1201440407. The next prime is 1201440419. The reversal of 1201440418 is 8140441021.

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

It is a junction number, because it is equal to n+sod(n) for n = 1201440392 and 1201440401.

It is not an unprimeable number, because it can be changed into a prime (1201440419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1798230 + ... + 1798897.

It is an arithmetic number, because the mean of its divisors is an integer number (226619064).

Almost surely, 2^1201440418 is an apocalyptic number.

1201440418 is a deficient number, since it is larger than the sum of its proper divisors (611512094).

1201440418 is a wasteful number, since it uses less digits than its factorization.

1201440418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3597296.

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 1201440418 is about 34661.8005591169. The cubic root of 1201440418 is about 1063.0835859860.

Adding to 1201440418 its reverse (8140441021), we get a palindrome (9341881439).

The spelling of 1201440418 in words is "one billion, two hundred one million, four hundred forty thousand, four hundred eighteen".