1254317491097 has 6 divisors (see below), whose sum is σ = 1378712614314. Its totient is φ = 1140288628160.

The previous prime is 1254317491069. The next prime is 1254317491123. The reversal of 1254317491097 is 7901947134521.

It can be written as a sum of positive squares in only one way, i.e., 897602761561 + 356714729536 = 947419^2 + 597256^2 .

It is not a de Polignac number, because 1254317491097 - 2³⁰ = 1253243749273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1254317491697) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5183130008 + ... + 5183130249.

It is an arithmetic number, because the mean of its divisors is an integer number (229785435719).

Almost surely, 2^{1254317491097} is an apocalyptic number.

It is an amenable number.

1254317491097 is a deficient number, since it is larger than the sum of its proper divisors (124395123217).

1254317491097 is a wasteful number, since it uses less digits than its factorization.

1254317491097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10366260279 (or 10366260268 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 53.

The spelling of 1254317491097 in words is "one trillion, two hundred fifty-four billion, three hundred seventeen million, four hundred ninety-one thousand, ninety-seven".