1295830117 has 8 divisors (see below), whose sum is σ = 1372683672. Its totient is φ = 1219046400.

The previous prime is 1295830087. The next prime is 1295830139. The reversal of 1295830117 is 7110385921.

It can be written as a sum of positive squares in 4 ways, for example, as 620557921 + 675272196 = 24911^2 + 25986^2 .

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-1295830117 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 (1295830147) 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, 23517 + ... + 56077.

It is an arithmetic number, because the mean of its divisors is an integer number (171585459).

Almost surely, 2^1295830117 is an apocalyptic number.

1295830117 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1295830117 is a deficient number, since it is larger than the sum of its proper divisors (76853555).

1295830117 is a wasteful number, since it uses less digits than its factorization.

1295830117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34919.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 1295830117 is about 35997.6404365619. The cubic root of 1295830117 is about 1090.2247150531.

The spelling of 1295830117 in words is "one billion, two hundred ninety-five million, eight hundred thirty thousand, one hundred seventeen".