1253270499 has 16 divisors (see below), whose sum is σ = 1819792800. Its totient is φ = 762575616.

The previous prime is 1253270471. The next prime is 1253270503. The reversal of 1253270499 is 9940723521.

It is not a de Polignac number, because 1253270499 - 2¹¹ = 1253268451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1253270499.

It is not an unprimeable number, because it can be changed into a prime (1253270099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177064 + ... + 184005.

It is an arithmetic number, because the mean of its divisors is an integer number (113737050).

Almost surely, 2^1253270499 is an apocalyptic number.

1253270499 is a deficient number, since it is larger than the sum of its proper divisors (566522301).

1253270499 is a wasteful number, since it uses less digits than its factorization.

1253270499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361174.

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

The square root of 1253270499 is about 35401.5606859359. The cubic root of 1253270499 is about 1078.1560037226.

The spelling of 1253270499 in words is "one billion, two hundred fifty-three million, two hundred seventy thousand, four hundred ninety-nine".