1255830455 has 16 divisors (see below), whose sum is σ = 1646784000. Its totient is φ = 911782560.

The previous prime is 1255830439. The next prime is 1255830473. The reversal of 1255830455 is 5540385521.

It is not a de Polignac number, because 1255830455 - 2⁴ = 1255830439 is a prime.

It is a super-2 number, since 2×1255830455² = 3154220263411014050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13886 + ... + 52004.

It is an arithmetic number, because the mean of its divisors is an integer number (102924000).

Almost surely, 2^1255830455 is an apocalyptic number.

1255830455 is a deficient number, since it is larger than the sum of its proper divisors (390953545).

1255830455 is a wasteful number, since it uses less digits than its factorization.

1255830455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38734.

The product of its (nonzero) digits is 120000, while the sum is 38.

The square root of 1255830455 is about 35437.6982181405. The cubic root of 1255830455 is about 1078.8895923160.

The spelling of 1255830455 in words is "one billion, two hundred fifty-five million, eight hundred thirty thousand, four hundred fifty-five".