1240581055 has 16 divisors (see below), whose sum is σ = 1701993024. Its totient is φ = 850371840.

The previous prime is 1240581047. The next prime is 1240581071. The reversal of 1240581055 is 5501850421.

It is not a de Polignac number, because 1240581055 - 2³ = 1240581047 is a prime.

It is a Duffinian number.

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, 131269 + ... + 140401.

It is an arithmetic number, because the mean of its divisors is an integer number (106374564).

Almost surely, 2^1240581055 is an apocalyptic number.

1240581055 is a deficient number, since it is larger than the sum of its proper divisors (461411969).

1240581055 is an equidigital number, since it uses as much as digits as its factorization.

1240581055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13026.

The product of its (nonzero) digits is 8000, while the sum is 31.

The square root of 1240581055 is about 35221.8831836119. The cubic root of 1240581055 is about 1074.5048536357.

The spelling of 1240581055 in words is "one billion, two hundred forty million, five hundred eighty-one thousand, fifty-five".