1255604419 has 8 divisors (see below), whose sum is σ = 1281824208. Its totient is φ = 1229566560.

The previous prime is 1255604407. The next prime is 1255604461. The reversal of 1255604419 is 9144065521.

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

It is a cyclic number.

It is not a de Polignac number, because 1255604419 - 2¹⁵ = 1255571651 is a prime.

It is a super-2 number, since 2×1255604419² = 3153084914024655122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255604219) 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 in 7 ways as a sum of consecutive naturals, for example, 31492 + ... + 59185.

It is an arithmetic number, because the mean of its divisors is an integer number (160228026).

Almost surely, 2^1255604419 is an apocalyptic number.

1255604419 is a deficient number, since it is larger than the sum of its proper divisors (26219789).

1255604419 is an equidigital number, since it uses as much as digits as its factorization.

1255604419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90965.

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 1255604419 is about 35434.5088720022. The cubic root of 1255604419 is about 1078.8248589173.

The spelling of 1255604419 in words is "one billion, two hundred fifty-five million, six hundred four thousand, four hundred nineteen".