1254247280949 has 16 divisors (see below), whose sum is σ = 1804135636800. Its totient is φ = 770487974016.

The previous prime is 1254247280939. The next prime is 1254247281097. The reversal of 1254247280949 is 9490827424521.

It is not a de Polignac number, because 1254247280949 - 2¹⁹ = 1254246756661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254247280939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28238079 + ... + 28282460.

It is an arithmetic number, because the mean of its divisors is an integer number (112758477300).

Almost surely, 2^{1254247280949} is an apocalyptic number.

It is an amenable number.

1254247280949 is a deficient number, since it is larger than the sum of its proper divisors (549888355851).

1254247280949 is a wasteful number, since it uses less digits than its factorization.

1254247280949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56521124.

The product of its (nonzero) digits is 11612160, while the sum is 57.

The spelling of 1254247280949 in words is "one trillion, two hundred fifty-four billion, two hundred forty-seven million, two hundred eighty thousand, nine hundred forty-nine".