1260274117 has 8 divisors (see below), whose sum is σ = 1279825560. Its totient is φ = 1240784640.

The previous prime is 1260274111. The next prime is 1260274133. The reversal of 1260274117 is 7114720621.

It can be written as a sum of positive squares in 4 ways, for example, as 4351396 + 1255922721 = 2086^2 + 35439^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1260274117 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 (1260274111) 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, 26367 + ... + 56707.

It is an arithmetic number, because the mean of its divisors is an integer number (159978195).

Almost surely, 2^1260274117 is an apocalyptic number.

It is an amenable number.

1260274117 is a deficient number, since it is larger than the sum of its proper divisors (19551443).

1260274117 is an equidigital number, since it uses as much as digits as its factorization.

1260274117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30983.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 1260274117 is about 35500.3396744313. The cubic root of 1260274117 is about 1080.1606176870.

Adding to 1260274117 its reverse (7114720621), we get a palindrome (8374994738).

The spelling of 1260274117 in words is "one billion, two hundred sixty million, two hundred seventy-four thousand, one hundred seventeen".