2120942534 has 8 divisors (see below), whose sum is σ = 3181640088. Its totient is φ = 1060395840.

The previous prime is 2120942533. The next prime is 2120942543. The reversal of 2120942534 is 4352490212.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2120942534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120942533) 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 3 ways as a sum of consecutive naturals, for example, 9014 + ... + 65750.

It is an arithmetic number, because the mean of its divisors is an integer number (397705011).

Almost surely, 2^2120942534 is an apocalyptic number.

2120942534 is a deficient number, since it is larger than the sum of its proper divisors (1060697554).

2120942534 is a wasteful number, since it uses less digits than its factorization.

2120942534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75430.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 2120942534 is about 46053.6918606967. The cubic root of 2120942534 is about 1284.8220082818.

The spelling of 2120942534 in words is "two billion, one hundred twenty million, nine hundred forty-two thousand, five hundred thirty-four".