1254245159 has 32 divisors (see below), whose sum is σ = 1395947520. Its totient is φ = 1122181632.

The previous prime is 1254245147. The next prime is 1254245173. The reversal of 1254245159 is 9515424521.

It is a cyclic number.

It is not a de Polignac number, because 1254245159 - 2¹⁶ = 1254179623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254245189) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4768862 + ... + 4769124.

It is an arithmetic number, because the mean of its divisors is an integer number (43623360).

Almost surely, 2^1254245159 is an apocalyptic number.

1254245159 is a deficient number, since it is larger than the sum of its proper divisors (141702361).

1254245159 is a wasteful number, since it uses less digits than its factorization.

1254245159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479.

The product of its digits is 72000, while the sum is 38.

The square root of 1254245159 is about 35415.3237878746. The cubic root of 1254245159 is about 1078.4354228477.

The spelling of 1254245159 in words is "one billion, two hundred fifty-four million, two hundred forty-five thousand, one hundred fifty-nine".