1201115 has 8 divisors (see below), whose sum is σ = 1448928. Its totient is φ = 955840.

The previous prime is 1201111. The next prime is 1201117. The reversal of 1201115 is 5111021.

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

It is not a de Polignac number, because 1201115 - 2² = 1201111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1201096 and 1201105.

It is not an unprimeable number, because it can be changed into a prime (1201111) 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, 650 + ... + 1680.

It is an arithmetic number, because the mean of its divisors is an integer number (181116).

2^1201115 is an apocalyptic number.

1201115 is a deficient number, since it is larger than the sum of its proper divisors (247813).

1201115 is a wasteful number, since it uses less digits than its factorization.

1201115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269.

The product of its (nonzero) digits is 10, while the sum is 11.

The square root of 1201115 is about 1095.9539223891. The cubic root of 1201115 is about 106.2987596270.

Adding to 1201115 its reverse (5111021), we get a palindrome (6312136).

The spelling of 1201115 in words is "one million, two hundred one thousand, one hundred fifteen".