1201432215 has 8 divisors (see below), whose sum is σ = 1922291568. Its totient is φ = 640763840.

The previous prime is 1201432201. The next prime is 1201432223. The reversal of 1201432215 is 5122341021.

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

It is not a de Polignac number, because 1201432215 - 2¹⁶ = 1201366679 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201432191 and 1201432200.

It is a congruent number.

It is an unprimeable number.

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, 40047726 + ... + 40047755.

It is an arithmetic number, because the mean of its divisors is an integer number (240286446).

Almost surely, 2^1201432215 is an apocalyptic number.

1201432215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1201432215 is a deficient number, since it is larger than the sum of its proper divisors (720859353).

1201432215 is an equidigital number, since it uses as much as digits as its factorization.

1201432215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80095489.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1201432215 is about 34661.6822298053. The cubic root of 1201432215 is about 1063.0811665306.

Adding to 1201432215 its reverse (5122341021), we get a palindrome (6323773236).

The spelling of 1201432215 in words is "one billion, two hundred one million, four hundred thirty-two thousand, two hundred fifteen".