4120654 has 4 divisors (see below), whose sum is σ = 6180984. Its totient is φ = 2060326.

The previous prime is 4120651. The next prime is 4120661. The reversal of 4120654 is 4560214.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4560214 = 2 ⋅2280107.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1030162 + ... + 1030165.

It is an arithmetic number, because the mean of its divisors is an integer number (1545246).

Almost surely, 2^4120654 is an apocalyptic number.

4120654 is a deficient number, since it is larger than the sum of its proper divisors (2060330).

4120654 is a wasteful number, since it uses less digits than its factorization.

4120654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060329.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 4120654 is about 2029.9394079627. The cubic root of 4120654 is about 160.3203737012.

Adding to 4120654 its reverse (4560214), we get a palindrome (8680868).

It can be divided in two parts, 4120 and 654, that added together give a palindrome (4774).

The spelling of 4120654 in words is "four million, one hundred twenty thousand, six hundred fifty-four".