1297258297258 has 16 divisors (see below), whose sum is σ = 2426041491264. Its totient is φ = 505425310560.

The previous prime is 1297258297207. The next prime is 1297258297259. The reversal of 1297258297258 is 8527928527921.

It is a junction number, because it is equal to n+sod(n) for n = 1297258297193 and 1297258297202.

It is not an unprimeable number, because it can be changed into a prime (1297258297259) 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, 4211877435 + ... + 4211877742.

It is an arithmetic number, because the mean of its divisors is an integer number (151627593204).

Almost surely, 2^{1297258297258} is an apocalyptic number.

1297258297258 is a deficient number, since it is larger than the sum of its proper divisors (1128783194006).

1297258297258 is a wasteful number, since it uses less digits than its factorization.

1297258297258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8423755197.

The product of its digits is 101606400, while the sum is 67.

The spelling of 1297258297258 in words is "one trillion, two hundred ninety-seven billion, two hundred fifty-eight million, two hundred ninety-seven thousand, two hundred fifty-eight".