3120140052 has 18 divisors (see below), whose sum is σ = 7887020778. Its totient is φ = 1040046672.

The previous prime is 3120140041. The next prime is 3120140077. The reversal of 3120140052 is 2500410213.

It can be written as a sum of positive squares in only one way, i.e., 3090915216 + 29224836 = 55596^2 + 5406^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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, 43335243 + ... + 43335314.

It is an arithmetic number, because the mean of its divisors is an integer number (438167821).

Almost surely, 2^3120140052 is an apocalyptic number.

It is an amenable number.

3120140052 is an abundant number, since it is smaller than the sum of its proper divisors (4766880726).

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

3120140052 is a wasteful number, since it uses less digits than its factorization.

3120140052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86670567 (or 86670562 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 3120140052 is about 55858.2138275115. The cubic root of 3120140052 is about 1461.2505785884.

Adding to 3120140052 its reverse (2500410213), we get a palindrome (5620550265).

It can be divided in two parts, 31201 and 40052, that added together give a triangular number (71253 = T₃₇₇).

The spelling of 3120140052 in words is "three billion, one hundred twenty million, one hundred forty thousand, fifty-two".