4120551 has 24 divisors (see below), whose sum is σ = 6383104. Its totient is φ = 2653560.

The previous prime is 4120547. The next prime is 4120553. The reversal of 4120551 is 1550214.

It is not a de Polignac number, because 4120551 - 2² = 4120547 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4120553) 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, 7260 + ... + 7806.

Almost surely, 2^4120551 is an apocalyptic number.

4120551 is a deficient number, since it is larger than the sum of its proper divisors (2262553).

4120551 is an equidigital number, since it uses as much as digits as its factorization.

4120551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593 (or 581 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 4120551 is about 2029.9140375888. The cubic root of 4120551 is about 160.3190378990.

Adding to 4120551 its reverse (1550214), we get a palindrome (5670765).

The spelling of 4120551 in words is "four million, one hundred twenty thousand, five hundred fifty-one".