1200118601 has 4 divisors (see below), whose sum is σ = 1309220304. Its totient is φ = 1091016900.

The previous prime is 1200118597. The next prime is 1200118639. The reversal of 1200118601 is 1068110021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1200118601 - 2² = 1200118597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200118651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54550835 + ... + 54550856.

It is an arithmetic number, because the mean of its divisors is an integer number (327305076).

Almost surely, 2^1200118601 is an apocalyptic number.

1200118601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1200118601 is a deficient number, since it is larger than the sum of its proper divisors (109101703).

1200118601 is a wasteful number, since it uses less digits than its factorization.

1200118601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109101702.

The product of its (nonzero) digits is 96, while the sum is 20.

The square root of 1200118601 is about 34642.7279670640. The cubic root of 1200118601 is about 1062.6935770207.

Adding to 1200118601 its reverse (1068110021), we get a palindrome (2268228622).

The spelling of 1200118601 in words is "one billion, two hundred million, one hundred eighteen thousand, six hundred one".