1292109745901 has 8 divisors (see below), whose sum is σ = 1405280060184. Its totient is φ = 1180907611200.

The previous prime is 1292109745877. The next prime is 1292109745907. The reversal of 1292109745901 is 1095479012921.

It can be written as a sum of positive squares in 4 ways, for example, as 190858891876 + 1101250854025 = 436874^2 + 1049405^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1292109745901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1292109745901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1292109745907) 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, 492043526 + ... + 492046151.

It is an arithmetic number, because the mean of its divisors is an integer number (175660007523).

Almost surely, 2^{1292109745901} is an apocalyptic number.

It is an amenable number.

1292109745901 is a deficient number, since it is larger than the sum of its proper divisors (113170314283).

1292109745901 is a wasteful number, since it uses less digits than its factorization.

1292109745901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984089791.

The product of its (nonzero) digits is 408240, while the sum is 50.

The spelling of 1292109745901 in words is "one trillion, two hundred ninety-two billion, one hundred nine million, seven hundred forty-five thousand, nine hundred one".