1260632145 has 8 divisors (see below), whose sum is σ = 2017011456. Its totient is φ = 672337136.

The previous prime is 1260632111. The next prime is 1260632171. The reversal of 1260632145 is 5412360621.

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 1260632145 - 2¹⁰ = 1260631121 is a prime.

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, 42021057 + ... + 42021086.

It is an arithmetic number, because the mean of its divisors is an integer number (252126432).

Almost surely, 2^1260632145 is an apocalyptic number.

1260632145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1260632145 is a deficient number, since it is larger than the sum of its proper divisors (756379311).

1260632145 is an equidigital number, since it uses as much as digits as its factorization.

1260632145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84042151.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1260632145 is about 35505.3819159856. The cubic root of 1260632145 is about 1080.2628946770.

Adding to 1260632145 its reverse (5412360621), we get a palindrome (6672992766).

The spelling of 1260632145 in words is "one billion, two hundred sixty million, six hundred thirty-two thousand, one hundred forty-five".