2902721124 has 48 divisors (see below), whose sum is σ = 7138756800. Its totient is φ = 915457536.

The previous prime is 2902721093. The next prime is 2902721137. The reversal of 2902721124 is 4211272092.

It is a junction number, because it is equal to n+sod(n) for n = 2902721091 and 2902721100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176584 + ... + 192320.

It is an arithmetic number, because the mean of its divisors is an integer number (148724100).

Almost surely, 2^2902721124 is an apocalyptic number.

It is an amenable number.

2902721124 is an abundant number, since it is smaller than the sum of its proper divisors (4236035676).

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

2902721124 is a wasteful number, since it uses less digits than its factorization.

2902721124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16572 (or 16570 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 2902721124 is about 53876.9071495386. The cubic root of 2902721124 is about 1426.4890353227.

It can be divided in two parts, 2902721 and 124, that added together give a triangular number (2902845 = T₂₄₀₉).

The spelling of 2902721124 in words is "two billion, nine hundred two million, seven hundred twenty-one thousand, one hundred twenty-four".