2127040 has 84 divisors (see below), whose sum is σ = 5614416. Its totient is φ = 765952.

The previous prime is 2127029. The next prime is 2127043. The reversal of 2127040 is 407212.

2127040 = 60² + 61² + ... + 187².

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2127043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92469 + ... + 92491.

2^2127040 is an apocalyptic number.

2127040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2127040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2807208).

2127040 is an abundant number, since it is smaller than the sum of its proper divisors (3487376).

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

2127040 is a wasteful number, since it uses less digits than its factorization.

2127040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 2127040 is about 1458.4375200879. The cubic root of 2127040 is about 128.6052068804.

The spelling of 2127040 in words is "two million, one hundred twenty-seven thousand, forty".