996120001 has 8 divisors (see below), whose sum is σ = 1019359080. Its totient is φ = 973045632.

The previous prime is 996119959. The next prime is 996120023. The reversal of 996120001 is 100021699.

It can be written as a sum of positive squares in 4 ways, for example, as 152275600 + 843844401 = 12340^2 + 29049^2 .

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 996120001 - 2²⁷ = 861902273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (996120071) 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, 28900 + ... + 53173.

It is an arithmetic number, because the mean of its divisors is an integer number (127419885).

Almost surely, 2^996120001 is an apocalyptic number.

It is an amenable number.

996120001 is a deficient number, since it is larger than the sum of its proper divisors (23239079).

996120001 is a wasteful number, since it uses less digits than its factorization.

996120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82355.

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 996120001 is about 31561.3688074519. The cubic root of 996120001 is about 998.7049906748.

The spelling of 996120001 in words is "nine hundred ninety-six million, one hundred twenty thousand, one".