2921120 has 24 divisors (see below), whose sum is σ = 6901524. Its totient is φ = 1168384.

The previous prime is 2921111. The next prime is 2921129. The reversal of 2921120 is 211292.

It is an interprime number because it is at equal distance from previous prime (2921111) and next prime (2921129).

It can be written as a sum of positive squares in 2 ways, for example, as 2835856 + 85264 = 1684^2 + 292^2 .

It is not an unprimeable number, because it can be changed into a prime (2921129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8969 + ... + 9288.

2^2921120 is an apocalyptic number.

2921120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2921120 is an abundant number, since it is smaller than the sum of its proper divisors (3980404).

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

2921120 is a wasteful number, since it uses less digits than its factorization.

2921120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18272 (or 18264 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 2921120 is about 1709.1284328569. The cubic root of 2921120 is about 142.9496619733.

It can be divided in two parts, 2 and 921120, that multiplied together give a triangular number (1842240 = T₁₉₁₉).

The spelling of 2921120 in words is "two million, nine hundred twenty-one thousand, one hundred twenty".