2102642 has 16 divisors (see below), whose sum is σ = 3257280. Its totient is φ = 1017552.

The previous prime is 2102629. The next prime is 2102647. The reversal of 2102642 is 2462012.

It is a super-2 number, since 2×2102642² = 8842206760328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2102642.

It is not an unprimeable number, because it can be changed into a prime (2102647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12068 + ... + 12240.

It is an arithmetic number, because the mean of its divisors is an integer number (203580).

2^2102642 is an apocalyptic number.

2102642 is a deficient number, since it is larger than the sum of its proper divisors (1154638).

2102642 is a wasteful number, since it uses less digits than its factorization.

2102642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2102642 is about 1450.0489646905. The cubic root of 2102642 is about 128.1115970116. Note that the first 3 decimals are identical.

Adding to 2102642 its reverse (2462012), we get a palindrome (4564654).

It can be divided in two parts, 2102 and 642, that added together give a cube (2744 = 14³).

The spelling of 2102642 in words is "two million, one hundred two thousand, six hundred forty-two".