1254268013 has 4 divisors (see below), whose sum is σ = 1256844000. Its totient is φ = 1251692028.

The previous prime is 1254267979. The next prime is 1254268049. The reversal of 1254268013 is 3108624521.

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 a cyclic number.

It is not a de Polignac number, because 1254268013 - 2⁸ = 1254267757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1254261013) 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, 1287263 + ... + 1288236.

It is an arithmetic number, because the mean of its divisors is an integer number (314211000).

Almost surely, 2^1254268013 is an apocalyptic number.

It is an amenable number.

1254268013 is a deficient number, since it is larger than the sum of its proper divisors (2575987).

1254268013 is an equidigital number, since it uses as much as digits as its factorization.

1254268013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575986.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 1254268013 is about 35415.6464433448. The cubic root of 1254268013 is about 1078.4419729795.

The spelling of 1254268013 in words is "one billion, two hundred fifty-four million, two hundred sixty-eight thousand, thirteen".