2120501144 has 8 divisors (see below), whose sum is σ = 3975939660. Its totient is φ = 1060250568.

The previous prime is 2120501143. The next prime is 2120501147. The reversal of 2120501144 is 4411050212.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120501143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132531314 + ... + 132531329.

Almost surely, 2^2120501144 is an apocalyptic number.

It is an amenable number.

2120501144 is a deficient number, since it is larger than the sum of its proper divisors (1855438516).

2120501144 is a wasteful number, since it uses less digits than its factorization.

2120501144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265062649 (or 265062645 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2120501144 is about 46048.8994873927. The cubic root of 2120501144 is about 1284.7328738644.

Adding to 2120501144 its reverse (4411050212), we get a palindrome (6531551356).

The spelling of 2120501144 in words is "two billion, one hundred twenty million, five hundred one thousand, one hundred forty-four".