608442121 has 32 divisors (see below), whose sum is σ = 758522880. Its totient is φ = 476236800.

The previous prime is 608442101. The next prime is 608442143. The reversal of 608442121 is 121244806.

It is a 4-Lehmer number, since φ(608442121) divides (608442121-1)⁴.

It is a cyclic number.

It is not a de Polignac number, because 608442121 - 2⁵ = 608442089 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 608442121.

It is not an unprimeable number, because it can be changed into a prime (608442101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 572931 + ... + 573991.

It is an arithmetic number, because the mean of its divisors is an integer number (23703840).

It is a Poulet number, since it divides 2^608442120-1.

Almost surely, 2^608442121 is an apocalyptic number.

608442121 is a gapful number since it is divisible by the number (61) formed by its first and last digit.

It is an amenable number.

608442121 is a deficient number, since it is larger than the sum of its proper divisors (150080759).

608442121 is a wasteful number, since it uses less digits than its factorization.

608442121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 608442121 is about 24666.6195697749. The cubic root of 608442121 is about 847.3700121147.

Adding to 608442121 its reverse (121244806), we get a palindrome (729686927).

It can be divided in two parts, 6084 and 42121, that added together give a triangular number (48205 = T₃₁₀).

The spelling of 608442121 in words is "six hundred eight million, four hundred forty-two thousand, one hundred twenty-one".