1250660001 has 8 divisors (see below), whose sum is σ = 1721338624. Its totient is φ = 806877360.

The previous prime is 1250659987. The next prime is 1250660041. The reversal of 1250660001 is 1000660521.

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 1250660001 - 2¹⁰ = 1250658977 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1250660001.

It is not an unprimeable number, because it can be changed into a prime (1250660041) 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, 6723886 + ... + 6724071.

It is an arithmetic number, because the mean of its divisors is an integer number (215167328).

Almost surely, 2^1250660001 is an apocalyptic number.

It is an amenable number.

1250660001 is a deficient number, since it is larger than the sum of its proper divisors (470678623).

1250660001 is a wasteful number, since it uses less digits than its factorization.

1250660001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13447991.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1250660001 is about 35364.6716512397. The cubic root of 1250660001 is about 1077.4069021977.

The spelling of 1250660001 in words is "one billion, two hundred fifty million, six hundred sixty thousand, one".