1297112946 has 8 divisors (see below), whose sum is σ = 2594225904. Its totient is φ = 432370980.

The previous prime is 1297112933. The next prime is 1297112951. The reversal of 1297112946 is 6492117921.

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

1297112946 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 1297112898 and 1297112907.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108092740 + ... + 108092751.

It is an arithmetic number, because the mean of its divisors is an integer number (324278238).

Almost surely, 2^1297112946 is an apocalyptic number.

1297112946 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1297112946 is a wasteful number, since it uses less digits than its factorization.

1297112946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216185496.

The product of its digits is 54432, while the sum is 42.

The square root of 1297112946 is about 36015.4542661897. The cubic root of 1297112946 is about 1090.5843585494.

The spelling of 1297112946 in words is "one billion, two hundred ninety-seven million, one hundred twelve thousand, nine hundred forty-six".