1254724259 has 2 divisors, whose sum is σ = 1254724260. Its totient is φ = 1254724258.

The previous prime is 1254724249. The next prime is 1254724351. The reversal of 1254724259 is 9524274521.

It is a weak prime.

It is an emirp because it is prime and its reverse (9524274521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1254724259 - 2⁴ = 1254724243 is a prime.

It is a super-2 number, since 2×1254724259² = 3148665932246198162, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1254724249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627362129 + 627362130.

It is an arithmetic number, because the mean of its divisors is an integer number (627362130).

Almost surely, 2^1254724259 is an apocalyptic number.

1254724259 is a deficient number, since it is larger than the sum of its proper divisors (1).

1254724259 is an equidigital number, since it uses as much as digits as its factorization.

1254724259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 41.

The square root of 1254724259 is about 35422.0871632376. The cubic root of 1254724259 is about 1078.5727199393.

The spelling of 1254724259 in words is "one billion, two hundred fifty-four million, seven hundred twenty-four thousand, two hundred fifty-nine".