4262121 has 24 divisors (see below), whose sum is σ = 6612840. Its totient is φ = 2635776.

The previous prime is 4262119. The next prime is 4262143. The reversal of 4262121 is 1212624.

4262121 is a `hidden beast` number, since 42 + 621 + 2 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2025 + 4260096 = 45^2 + 2064^2 .

It is not a de Polignac number, because 4262121 - 2¹ = 4262119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4262094 and 4262103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4262161) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13461 + ... + 13773.

It is an arithmetic number, because the mean of its divisors is an integer number (275535).

Almost surely, 2^4262121 is an apocalyptic number.

It is an amenable number.

4262121 is a deficient number, since it is larger than the sum of its proper divisors (2350719).

4262121 is a wasteful number, since it uses less digits than its factorization.

4262121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 422 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 4262121 is about 2064.4904940445. The cubic root of 4262121 is about 162.1344334503.

Adding to 4262121 its reverse (1212624), we get a palindrome (5474745).

The spelling of 4262121 in words is "four million, two hundred sixty-two thousand, one hundred twenty-one".