1294129423660 has 24 divisors (see below), whose sum is σ = 2811384611280. Its totient is φ = 499801708224.

The previous prime is 1294129423591. The next prime is 1294129423669. The reversal of 1294129423660 is 663249214921.

It is not an unprimeable number, because it can be changed into a prime (1294129423669) 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, 1115628234 + ... + 1115629393.

It is an arithmetic number, because the mean of its divisors is an integer number (117141025470).

Almost surely, 2^{1294129423660} is an apocalyptic number.

1294129423660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1294129423660 is an abundant number, since it is smaller than the sum of its proper divisors (1517255187620).

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

1294129423660 is a wasteful number, since it uses less digits than its factorization.

1294129423660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231257665 (or 2231257663 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 49.

The spelling of 1294129423660 in words is "one trillion, two hundred ninety-four billion, one hundred twenty-nine million, four hundred twenty-three thousand, six hundred sixty".