4121551 has 8 divisors (see below), whose sum is σ = 4737824. Its totient is φ = 3512160.

The previous prime is 4121549. The next prime is 4121561. The reversal of 4121551 is 1551214.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4121551 - 2¹ = 4121549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4121561) 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, 360 + ... + 2893.

It is an arithmetic number, because the mean of its divisors is an integer number (592228).

Almost surely, 2^4121551 is an apocalyptic number.

4121551 is a deficient number, since it is larger than the sum of its proper divisors (616273).

4121551 is a wasteful number, since it uses less digits than its factorization.

4121551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3441.

The product of its digits is 200, while the sum is 19.

The square root of 4121551 is about 2030.1603384955. The cubic root of 4121551 is about 160.3320059115.

Adding to 4121551 its reverse (1551214), we get a palindrome (5672765).

The spelling of 4121551 in words is "four million, one hundred twenty-one thousand, five hundred fifty-one".