1201435215 has 8 divisors (see below), whose sum is σ = 1922296368. Its totient is φ = 640765440.

The previous prime is 1201435201. The next prime is 1201435219. The reversal of 1201435215 is 5125341021.

It is a happy number.

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

It is not a de Polignac number, because 1201435215 - 2⁷ = 1201435087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201435219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40047826 + ... + 40047855.

It is an arithmetic number, because the mean of its divisors is an integer number (240287046).

Almost surely, 2^1201435215 is an apocalyptic number.

1201435215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1201435215 is a deficient number, since it is larger than the sum of its proper divisors (720861153).

1201435215 is an equidigital number, since it uses as much as digits as its factorization.

1201435215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80095689.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 1201435215 is about 34661.7255052313. The cubic root of 1201435215 is about 1063.0820513748.

Adding to 1201435215 its reverse (5125341021), we get a palindrome (6326776236).

The spelling of 1201435215 in words is "one billion, two hundred one million, four hundred thirty-five thousand, two hundred fifteen".