1201335 has 12 divisors (see below), whose sum is σ = 1928952. Its totient is φ = 638448.

The previous prime is 1201327. The next prime is 1201337. The reversal of 1201335 is 5331021.

It is a happy number.

It is not a de Polignac number, because 1201335 - 2³ = 1201327 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

1201335 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4104 + ... + 4386.

It is an arithmetic number, because the mean of its divisors is an integer number (160746).

2^1201335 is an apocalyptic number.

1201335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1201335 is a deficient number, since it is larger than the sum of its proper divisors (727617).

1201335 is an frugal number, since it uses more digits than its factorization.

1201335 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 1201335 is about 1096.0542869767. The cubic root of 1201335 is about 106.3052492358.

Multiplying 1201335 by its sum of digits (15), we get a square (18020025 = 4245²).

1201335 divided by its sum of digits (15) gives a square (80089 = 283²).

Adding to 1201335 its reverse (5331021), we get a palindrome (6532356).

The spelling of 1201335 in words is "one million, two hundred one thousand, three hundred thirty-five".