1071287051 has 8 divisors (see below), whose sum is σ = 1128491520. Its totient is φ = 1014164712.

The previous prime is 1071287047. The next prime is 1071287069. The reversal of 1071287051 is 1507821701.

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 1071287051 - 2² = 1071287047 is a prime.

It is a super-2 number, since 2×1071287051² = 2295311891280553202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1071286999 and 1071287017.

It is not an unprimeable number, because it can be changed into a prime (1071587051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7226 + ... + 46848.

It is an arithmetic number, because the mean of its divisors is an integer number (141061440).

Almost surely, 2^1071287051 is an apocalyptic number.

1071287051 is a deficient number, since it is larger than the sum of its proper divisors (57204469).

1071287051 is a wasteful number, since it uses less digits than its factorization.

1071287051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41065.

The product of its (nonzero) digits is 3920, while the sum is 32.

The square root of 1071287051 is about 32730.5217037553. The cubic root of 1071287051 is about 1023.2190532467.

The spelling of 1071287051 in words is "one billion, seventy-one million, two hundred eighty-seven thousand, fifty-one".