650122001 has 8 divisors (see below), whose sum is σ = 664481664. Its totient is φ = 635784400.

The previous prime is 650121991. The next prime is 650122019. The reversal of 650122001 is 100221056.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-650122001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (650122021) 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, 63431 + ... + 72963.

It is an arithmetic number, because the mean of its divisors is an integer number (83060208).

Almost surely, 2^650122001 is an apocalyptic number.

It is an amenable number.

650122001 is a deficient number, since it is larger than the sum of its proper divisors (14359663).

650122001 is a wasteful number, since it uses less digits than its factorization.

650122001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11031.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 650122001 is about 25497.4900921640. The cubic root of 650122001 is about 866.2932978670.

Adding to 650122001 its reverse (100221056), we get a palindrome (750343057).

The spelling of 650122001 in words is "six hundred fifty million, one hundred twenty-two thousand, one".