5420545121 has 8 divisors (see below), whose sum is σ = 5619481920. Its totient is φ = 5222409808.

The previous prime is 5420545069. The next prime is 5420545219. The reversal of 5420545121 is 1215450245.

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 5420545121 - 2²² = 5416350817 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5420542121) 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, 186581 + ... + 213666.

It is an arithmetic number, because the mean of its divisors is an integer number (702435240).

Almost surely, 2^5420545121 is an apocalyptic number.

It is an amenable number.

5420545121 is a deficient number, since it is larger than the sum of its proper divisors (198936799).

5420545121 is a wasteful number, since it uses less digits than its factorization.

5420545121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400743.

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 5420545121 is about 73624.3514131024. The cubic root of 5420545121 is about 1756.6328011351.

Adding to 5420545121 its reverse (1215450245), we get a palindrome (6635995366).

The spelling of 5420545121 in words is "five billion, four hundred twenty million, five hundred forty-five thousand, one hundred twenty-one".