1200111401 has 8 divisors (see below), whose sum is σ = 1250855424. Its totient is φ = 1150119360.

The previous prime is 1200111373. The next prime is 1200111403. The reversal of 1200111401 is 1041110021.

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 1200111401 - 2⁶ = 1200111337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1200111403) 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, 184736 + ... + 191121.

It is an arithmetic number, because the mean of its divisors is an integer number (156356928).

Almost surely, 2^1200111401 is an apocalyptic number.

It is an amenable number.

1200111401 is a deficient number, since it is larger than the sum of its proper divisors (50744023).

1200111401 is a wasteful number, since it uses less digits than its factorization.

1200111401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375991.

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1200111401 is about 34642.6240489949. The cubic root of 1200111401 is about 1062.6914518393.

Adding to 1200111401 its reverse (1041110021), we get a palindrome (2241221422).

The spelling of 1200111401 in words is "one billion, two hundred million, one hundred eleven thousand, four hundred one".