1205245001 has 8 divisors (see below), whose sum is σ = 1244542464. Its totient is φ = 1165973760.

The previous prime is 1205244991. The next prime is 1205245003. The reversal of 1205245001 is 1005425021.

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-1205245001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1205245003) 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, 137321 + ... + 145833.

It is an arithmetic number, because the mean of its divisors is an integer number (155567808).

Almost surely, 2^1205245001 is an apocalyptic number.

It is an amenable number.

1205245001 is a deficient number, since it is larger than the sum of its proper divisors (39297463).

1205245001 is an equidigital number, since it uses as much as digits as its factorization.

1205245001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13111.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 1205245001 is about 34716.6386765770. The cubic root of 1205245001 is about 1064.2045537455.

The spelling of 1205245001 in words is "one billion, two hundred five million, two hundred forty-five thousand, one".