1254806131983 has 4 divisors (see below), whose sum is σ = 1673074842648. Its totient is φ = 836537421320.

The previous prime is 1254806131961. The next prime is 1254806132003. The reversal of 1254806131983 is 3891316084521.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1254806131983 - 2⁹ = 1254806131471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254806131913) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209134355328 + ... + 209134355333.

It is an arithmetic number, because the mean of its divisors is an integer number (418268710662).

Almost surely, 2^{1254806131983} is an apocalyptic number.

1254806131983 is a deficient number, since it is larger than the sum of its proper divisors (418268710665).

1254806131983 is an equidigital number, since it uses as much as digits as its factorization.

1254806131983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418268710664.

The product of its (nonzero) digits is 1244160, while the sum is 51.

The spelling of 1254806131983 in words is "one trillion, two hundred fifty-four billion, eight hundred six million, one hundred thirty-one thousand, nine hundred eighty-three".