1071898255 has 4 divisors (see below), whose sum is σ = 1286277912. Its totient is φ = 857518600.

The previous prime is 1071898211. The next prime is 1071898273. The reversal of 1071898255 is 5528981701.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1071898255 - 2¹³ = 1071890063 is a prime.

It is a super-2 number, since 2×1071898255² = 2297931738144090050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 107189821 + ... + 107189830.

It is an arithmetic number, because the mean of its divisors is an integer number (321569478).

Almost surely, 2^1071898255 is an apocalyptic number.

1071898255 is a deficient number, since it is larger than the sum of its proper divisors (214379657).

1071898255 is an equidigital number, since it uses as much as digits as its factorization.

1071898255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214379656.

The product of its (nonzero) digits is 201600, while the sum is 46.

The square root of 1071898255 is about 32739.8572843560. The cubic root of 1071898255 is about 1023.4136094674.

The spelling of 1071898255 in words is "one billion, seventy-one million, eight hundred ninety-eight thousand, two hundred fifty-five".