616122001 has 8 divisors (see below), whose sum is σ = 678659904. Its totient is φ = 554671920.

The previous prime is 616121983. The next prime is 616122019. The reversal of 616122001 is 100221616.

It is an interprime number because it is at equal distance from previous prime (616121983) and next prime (616122019).

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

It is not a de Polignac number, because 616122001 - 2¹⁵ = 616089233 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 616122001.

It is not an unprimeable number, because it can be changed into a prime (616122061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270766 + ... + 273031.

It is an arithmetic number, because the mean of its divisors is an integer number (84832488).

Almost surely, 2^616122001 is an apocalyptic number.

It is an amenable number.

616122001 is a deficient number, since it is larger than the sum of its proper divisors (62537903).

616122001 is a wasteful number, since it uses less digits than its factorization.

616122001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543911.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 616122001 is about 24821.8049504866. The cubic root of 616122001 is about 850.9203415445.

Adding to 616122001 its reverse (100221616), we get a palindrome (716343617).

The spelling of 616122001 in words is "six hundred sixteen million, one hundred twenty-two thousand, one".