1071248555 has 16 divisors (see below), whose sum is σ = 1429042944. Its totient is φ = 765555840.

The previous prime is 1071248537. The next prime is 1071248567. The reversal of 1071248555 is 5558421701.

It is a de Polignac number, because none of the positive numbers 2^k-1071248555 is a prime.

It is a super-2 number, since 2×1071248555² = 2295146933179176050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 263804 + ... + 267833.

It is an arithmetic number, because the mean of its divisors is an integer number (89315184).

Almost surely, 2^1071248555 is an apocalyptic number.

1071248555 is a deficient number, since it is larger than the sum of its proper divisors (357794389).

1071248555 is a wasteful number, since it uses less digits than its factorization.

1071248555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531686.

The product of its (nonzero) digits is 56000, while the sum is 38.

The square root of 1071248555 is about 32729.9336235196. The cubic root of 1071248555 is about 1023.2067968639.

The spelling of 1071248555 in words is "one billion, seventy-one million, two hundred forty-eight thousand, five hundred fifty-five".