1454881117 has 2 divisors, whose sum is σ = 1454881118. Its totient is φ = 1454881116.

The previous prime is 1454881069. The next prime is 1454881133. The reversal of 1454881117 is 7111884541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 850655556 + 604225561 = 29166^2 + 24581^2 .

It is an emirp because it is prime and its reverse (7111884541) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1454881117 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1454881117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1454881157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 727440558 + 727440559.

It is an arithmetic number, because the mean of its divisors is an integer number (727440559).

Almost surely, 2^1454881117 is an apocalyptic number.

It is an amenable number.

1454881117 is a deficient number, since it is larger than the sum of its proper divisors (1).

1454881117 is an equidigital number, since it uses as much as digits as its factorization.

1454881117 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35840, while the sum is 40.

The square root of 1454881117 is about 38142.9038878793. The cubic root of 1454881117 is about 1133.1198190528.

The spelling of 1454881117 in words is "one billion, four hundred fifty-four million, eight hundred eighty-one thousand, one hundred seventeen".