2120036 has 12 divisors (see below), whose sum is σ = 3928428. Its totient is φ = 997632.

The previous prime is 2120021. The next prime is 2120051. The reversal of 2120036 is 6300212.

It is an interprime number because it is at equal distance from previous prime (2120021) and next prime (2120051).

It can be written as a sum of positive squares in 2 ways, for example, as 1638400 + 481636 = 1280^2 + 694^2 .

It is a d-powerful number, because it can be written as 2⁷ + 1 + 2¹⁹ + 0 + 0 + 3¹³ + 6⁴ .

It is a self number, because there is not a number n which added to its sum of digits gives 2120036.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15521 + ... + 15656.

It is an arithmetic number, because the mean of its divisors is an integer number (327369).

2^2120036 is an apocalyptic number.

It is an amenable number.

2120036 is a deficient number, since it is larger than the sum of its proper divisors (1808392).

2120036 is a wasteful number, since it uses less digits than its factorization.

2120036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31198 (or 31196 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2120036 is about 1456.0343402544. The cubic root of 2120036 is about 128.4638929171.

Adding to 2120036 its reverse (6300212), we get a palindrome (8420248).

The spelling of 2120036 in words is "two million, one hundred twenty thousand, thirty-six".