1260135151 has 8 divisors (see below), whose sum is σ = 1419038208. Its totient is φ = 1108623000.

The previous prime is 1260135137. The next prime is 1260135169. The reversal of 1260135151 is 1515310621.

It is a happy number.

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 1260135151 - 2²⁹ = 723264239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260135101) 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, 1847365 + ... + 1848046.

It is an arithmetic number, because the mean of its divisors is an integer number (177379776).

Almost surely, 2^1260135151 is an apocalyptic number.

1260135151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1260135151 is a deficient number, since it is larger than the sum of its proper divisors (158903057).

1260135151 is a wasteful number, since it uses less digits than its factorization.

1260135151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3695453.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 1260135151 is about 35498.3823715955. The cubic root of 1260135151 is about 1080.1209143886.

Adding to 1260135151 its reverse (1515310621), we get a palindrome (2775445772).

The spelling of 1260135151 in words is "one billion, two hundred sixty million, one hundred thirty-five thousand, one hundred fifty-one".