1254245147 has 2 divisors, whose sum is σ = 1254245148. Its totient is φ = 1254245146.

The previous prime is 1254245117. The next prime is 1254245173. The reversal of 1254245147 is 7415424521.

It is a strong prime.

It is an emirp because it is prime and its reverse (7415424521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1254245147 - 2¹⁴ = 1254228763 is a prime.

It is not a weakly prime, because it can be changed into another prime (1254245117) 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 as a sum of consecutive naturals, namely, 627122573 + 627122574.

It is an arithmetic number, because the mean of its divisors is an integer number (627122574).

Almost surely, 2^1254245147 is an apocalyptic number.

1254245147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254245147 is an equidigital number, since it uses as much as digits as its factorization.

1254245147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44800, while the sum is 35.

The square root of 1254245147 is about 35415.3236184565. The cubic root of 1254245147 is about 1078.4354194083.

Adding to 1254245147 its reverse (7415424521), we get a palindrome (8669669668).

It can be divided in two parts, 125424514 and 7, that added together give a palindrome (125424521).

The spelling of 1254245147 in words is "one billion, two hundred fifty-four million, two hundred forty-five thousand, one hundred forty-seven".