1245201215 has 8 divisors (see below), whose sum is σ = 1497363840. Its totient is φ = 994079392.

The previous prime is 1245201187. The next prime is 1245201229. The reversal of 1245201215 is 5121025421.

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

It is a cyclic number.

It is not a de Polignac number, because 1245201215 - 2¹⁶ = 1245135679 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257564 + ... + 262353.

It is an arithmetic number, because the mean of its divisors is an integer number (187170480).

Almost surely, 2^1245201215 is an apocalyptic number.

1245201215 is a deficient number, since it is larger than the sum of its proper divisors (252162625).

1245201215 is an equidigital number, since it uses as much as digits as its factorization.

1245201215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520401.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1245201215 is about 35287.4087317275. The cubic root of 1245201215 is about 1075.8370880413.

Adding to 1245201215 its reverse (5121025421), we get a palindrome (6366226636).

The spelling of 1245201215 in words is "one billion, two hundred forty-five million, two hundred one thousand, two hundred fifteen".