4122599961 has 8 divisors (see below), whose sum is σ = 5499380704. Its totient is φ = 2747109600.

The previous prime is 4122599939. The next prime is 4122599969. The reversal of 4122599961 is 1699952214.

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

It is a de Polignac number, because none of the positive numbers 2^k-4122599961 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 4122599961.

It is not an unprimeable number, because it can be changed into a prime (4122599969) 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, 315115 + ... + 327936.

It is an arithmetic number, because the mean of its divisors is an integer number (687422588).

Almost surely, 2^4122599961 is an apocalyptic number.

It is an amenable number.

4122599961 is a deficient number, since it is larger than the sum of its proper divisors (1376780743).

4122599961 is a wasteful number, since it uses less digits than its factorization.

4122599961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645191.

The product of its digits is 349920, while the sum is 48.

The square root of 4122599961 is about 64207.4758965029. The cubic root of 4122599961 is about 1603.4560659685.

The spelling of 4122599961 in words is "four billion, one hundred twenty-two million, five hundred ninety-nine thousand, nine hundred sixty-one".