1201201355 has 8 divisors (see below), whose sum is σ = 1465873200. Its totient is φ = 944673376.

The previous prime is 1201201301. The next prime is 1201201357. The reversal of 1201201355 is 5531021021.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1201201355 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1201201357) 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, 2035640 + ... + 2036229.

It is an arithmetic number, because the mean of its divisors is an integer number (183234150).

Almost surely, 2^1201201355 is an apocalyptic number.

1201201355 is a deficient number, since it is larger than the sum of its proper divisors (264671845).

1201201355 is an equidigital number, since it uses as much as digits as its factorization.

1201201355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4071933.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 1201201355 is about 34658.3518794532. The cubic root of 1201201355 is about 1063.0130704044.

Adding to 1201201355 its reverse (5531021021), we get a palindrome (6732222376).

The spelling of 1201201355 in words is "one billion, two hundred one million, two hundred one thousand, three hundred fifty-five".