1260158001 has 8 divisors (see below), whose sum is σ = 1721191584. Its totient is φ = 819614880.

The previous prime is 1260157999. The next prime is 1260158021. The reversal of 1260158001 is 1008510621.

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

It is not a de Polignac number, because 1260158001 - 2¹ = 1260157999 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1260158021) 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, 5122471 + ... + 5122716.

It is an arithmetic number, because the mean of its divisors is an integer number (215148948).

Almost surely, 2^1260158001 is an apocalyptic number.

It is an amenable number.

1260158001 is a deficient number, since it is larger than the sum of its proper divisors (461033583).

1260158001 is a wasteful number, since it uses less digits than its factorization.

1260158001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10245231.

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 1260158001 is about 35498.7042157879. The cubic root of 1260158001 is about 1080.1274429512.

Adding to 1260158001 its reverse (1008510621), we get a palindrome (2268668622).

The spelling of 1260158001 in words is "one billion, two hundred sixty million, one hundred fifty-eight thousand, one".