1297295942120 has 32 divisors (see below), whose sum is σ = 2918951748000. Its totient is φ = 518911998528.

The previous prime is 1297295942113. The next prime is 1297295942123. The reversal of 1297295942120 is 212495927921.

It is a Cunningham number, because it is equal to 1138989²-1.

It is a super-2 number, since 2×1297295942120² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1297295942123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4413587 + ... + 4698333.

It is an arithmetic number, because the mean of its divisors is an integer number (91217242125).

Almost surely, 2^{1297295942120} is an apocalyptic number.

1297295942120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1297295942120 is an abundant number, since it is smaller than the sum of its proper divisors (1621655805880).

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

1297295942120 is a wasteful number, since it uses less digits than its factorization.

1297295942120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398657 (or 398653 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 1297295942120 in words is "one trillion, two hundred ninety-seven billion, two hundred ninety-five million, nine hundred forty-two thousand, one hundred twenty".