1290074855 has 8 divisors (see below), whose sum is σ = 1577299392. Its totient is φ = 1012586848.

The previous prime is 1290074843. The next prime is 1290074873. The reversal of 1290074855 is 5584700921.

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 1290074855 - 2¹⁶ = 1290009319 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 7 ways as a sum of consecutive naturals, for example, 2433839 + ... + 2434368.

It is an arithmetic number, because the mean of its divisors is an integer number (197162424).

Almost surely, 2^1290074855 is an apocalyptic number.

1290074855 is a deficient number, since it is larger than the sum of its proper divisors (287224537).

1290074855 is an equidigital number, since it uses as much as digits as its factorization.

1290074855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4868265.

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 1290074855 is about 35917.6120447894. The cubic root of 1290074855 is about 1088.6082889106.

The spelling of 1290074855 in words is "one billion, two hundred ninety million, seventy-four thousand, eight hundred fifty-five".