1051134894 has 28 divisors (see below), whose sum is σ = 2363975376. Its totient is φ = 350377812.

The previous prime is 1051134893. The next prime is 1051134919. The reversal of 1051134894 is 4984311501.

1051134894 is a `hidden beast` number, since 10 + 511 + 3 + 48 + 94 = 666.

It is a super-2 number, since 2×1051134894² = 2209769130768782472, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1051134893) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 359014 + ... + 361929.

It is an arithmetic number, because the mean of its divisors is an integer number (84427692).

Almost surely, 2^1051134894 is an apocalyptic number.

1051134894 is an abundant number, since it is smaller than the sum of its proper divisors (1312840482).

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

1051134894 is an frugal number, since it uses more digits than its factorization.

1051134894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720963 (or 720948 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 1051134894 is about 32421.2105572880. The cubic root of 1051134894 is about 1016.7624161127.

The spelling of 1051134894 in words is "one billion, fifty-one million, one hundred thirty-four thousand, eight hundred ninety-four".