1297135094 has 8 divisors (see below), whose sum is σ = 2030298480. Its totient is φ = 620368936.

The previous prime is 1297135087. The next prime is 1297135097. The reversal of 1297135094 is 4905317921.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1297135097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14099249 + ... + 14099340.

It is an arithmetic number, because the mean of its divisors is an integer number (253787310).

Almost surely, 2^1297135094 is an apocalyptic number.

1297135094 is a deficient number, since it is larger than the sum of its proper divisors (733163386).

1297135094 is a wasteful number, since it uses less digits than its factorization.

1297135094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28198614.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 1297135094 is about 36015.7617439920. The cubic root of 1297135094 is about 1090.5905656996.

The spelling of 1297135094 in words is "one billion, two hundred ninety-seven million, one hundred thirty-five thousand, ninety-four".