1254862942971 has 16 divisors (see below), whose sum is σ = 1825318575360. Its totient is φ = 760496585120.

The previous prime is 1254862942943. The next prime is 1254862943041. The reversal of 1254862942971 is 1792492684521.

It is a cyclic number.

It is not a de Polignac number, because 1254862942971 - 2⁵ = 1254862942939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1254862940971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326410 + ... + 1617488.

It is an arithmetic number, because the mean of its divisors is an integer number (114082410960).

Almost surely, 2^{1254862942971} is an apocalyptic number.

1254862942971 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1254862942971 is a deficient number, since it is larger than the sum of its proper divisors (570455632389).

1254862942971 is a wasteful number, since it uses less digits than its factorization.

1254862942971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1320546.

The product of its digits is 17418240, while the sum is 60.

The spelling of 1254862942971 in words is "one trillion, two hundred fifty-four billion, eight hundred sixty-two million, nine hundred forty-two thousand, nine hundred seventy-one".