1254454161 has 4 divisors (see below), whose sum is σ = 1672605552. Its totient is φ = 836302772.

The previous prime is 1254454151. The next prime is 1254454171. The reversal of 1254454161 is 1614544521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (1254454151) and next prime (1254454171).

It is a cyclic number.

It is not a de Polignac number, because 1254454161 - 2¹⁴ = 1254437777 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1254454151) 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, 209075691 + ... + 209075696.

It is an arithmetic number, because the mean of its divisors is an integer number (418151388).

Almost surely, 2^1254454161 is an apocalyptic number.

It is an amenable number.

1254454161 is a deficient number, since it is larger than the sum of its proper divisors (418151391).

1254454161 is an equidigital number, since it uses as much as digits as its factorization.

1254454161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418151390.

The product of its digits is 19200, while the sum is 33.

The square root of 1254454161 is about 35418.2743933128. The cubic root of 1254454161 is about 1078.4953214622.

Adding to 1254454161 its reverse (1614544521), we get a palindrome (2868998682).

The spelling of 1254454161 in words is "one billion, two hundred fifty-four million, four hundred fifty-four thousand, one hundred sixty-one".