1250320001 has 4 divisors (see below), whose sum is σ = 1428937152. Its totient is φ = 1071702852.

The previous prime is 1250319977. The next prime is 1250320003. The reversal of 1250320001 is 1000230521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1250320001 - 2¹⁰ = 1250318977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1250320003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89308565 + ... + 89308578.

It is an arithmetic number, because the mean of its divisors is an integer number (357234288).

Almost surely, 2^1250320001 is an apocalyptic number.

It is an amenable number.

1250320001 is a deficient number, since it is larger than the sum of its proper divisors (178617151).

1250320001 is an equidigital number, since it uses as much as digits as its factorization.

1250320001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178617150.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 1250320001 is about 35359.8642672734. The cubic root of 1250320001 is about 1077.3092600070.

Adding to 1250320001 its reverse (1000230521), we get a palindrome (2250550522).

The spelling of 1250320001 in words is "one billion, two hundred fifty million, three hundred twenty thousand, one".