1201416144 has 20 divisors (see below), whose sum is σ = 3103658496. Its totient is φ = 400472032.

The previous prime is 1201416127. The next prime is 1201416149. The reversal of 1201416144 is 4416141021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201416149) 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, 12514704 + ... + 12514799.

Almost surely, 2^1201416144 is an apocalyptic number.

It is an amenable number.

1201416144 is an abundant number, since it is smaller than the sum of its proper divisors (1902242352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1201416144 is a wasteful number, since it uses less digits than its factorization.

1201416144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25029514 (or 25029508 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 1201416144 is about 34661.4504024283. The cubic root of 1201416144 is about 1063.0764263954.

Adding to 1201416144 its reverse (4416141021), we get a palindrome (5617557165).

The spelling of 1201416144 in words is "one billion, two hundred one million, four hundred sixteen thousand, one hundred forty-four".