1254899167 has 2 divisors, whose sum is σ = 1254899168. Its totient is φ = 1254899166.

The previous prime is 1254899153. The next prime is 1254899209. The reversal of 1254899167 is 7619984521.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1254899167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1254899147) 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 as a sum of consecutive naturals, namely, 627449583 + 627449584.

It is an arithmetic number, because the mean of its divisors is an integer number (627449584).

Almost surely, 2^1254899167 is an apocalyptic number.

1254899167 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254899167 is an equidigital number, since it uses as much as digits as its factorization.

1254899167 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 52.

The square root of 1254899167 is about 35424.5559887488. Note that the first 3 decimals coincide. The cubic root of 1254899167 is about 1078.6228351288.

The spelling of 1254899167 in words is "one billion, two hundred fifty-four million, eight hundred ninety-nine thousand, one hundred sixty-seven".