1051170894 has 48 divisors (see below), whose sum is σ = 2424960720. Its totient is φ = 327939840.

The previous prime is 1051170893. The next prime is 1051170931. The reversal of 1051170894 is 4980711501.

It is a super-2 number, since 2×1051170894² = 2209920496785518472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051170893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45897 + ... + 64875.

It is an arithmetic number, because the mean of its divisors is an integer number (50520015).

Almost surely, 2^1051170894 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1051170894, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1212480360).

1051170894 is an abundant number, since it is smaller than the sum of its proper divisors (1373789826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1051170894 is a wasteful number, since it uses less digits than its factorization.

1051170894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19185 (or 19182 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 36.

The square root of 1051170894 is about 32421.7657446352. The cubic root of 1051170894 is about 1016.7740235760.

The spelling of 1051170894 in words is "one billion, fifty-one million, one hundred seventy thousand, eight hundred ninety-four".