1253912667 has 8 divisors (see below), whose sum is σ = 1910724096. Its totient is φ = 716521512.

The previous prime is 1253912651. The next prime is 1253912711. The reversal of 1253912667 is 7662193521.

1253912667 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1253912667 - 2⁴ = 1253912651 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1253912617) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29855043 + ... + 29855084.

It is an arithmetic number, because the mean of its divisors is an integer number (238840512).

Almost surely, 2^1253912667 is an apocalyptic number.

1253912667 is a deficient number, since it is larger than the sum of its proper divisors (656811429).

1253912667 is an equidigital number, since it uses as much as digits as its factorization.

1253912667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59710137.

The product of its digits is 136080, while the sum is 42.

The square root of 1253912667 is about 35410.6292940411. The cubic root of 1253912667 is about 1078.3401190873.

The spelling of 1253912667 in words is "one billion, two hundred fifty-three million, nine hundred twelve thousand, six hundred sixty-seven".