3122756340 has 96 divisors (see below), whose sum is σ = 9796477824. Its totient is φ = 736565760.

The previous prime is 3122756339. The next prime is 3122756341. The reversal of 3122756340 is 436572213.

It is an interprime number because it is at equal distance from previous prime (3122756339) and next prime (3122756341).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122756341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39519 + ... + 88358.

It is an arithmetic number, because the mean of its divisors is an integer number (102046644).

Almost surely, 2^3122756340 is an apocalyptic number.

3122756340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3122756340 is an abundant number, since it is smaller than the sum of its proper divisors (6673721484).

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

3122756340 is a wasteful number, since it uses less digits than its factorization.

3122756340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127937 (or 127935 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 3122756340 is about 55881.6279290430. The cubic root of 3122756340 is about 1461.6588919145.

The spelling of 3122756340 in words is "three billion, one hundred twenty-two million, seven hundred fifty-six thousand, three hundred forty".