1056194894 has 4 divisors (see below), whose sum is σ = 1584292344. Its totient is φ = 528097446.

The previous prime is 1056194869. The next prime is 1056194897. The reversal of 1056194894 is 4984916501.

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

It is a super-2 number, since 2×1056194894² = 2231095308223342472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056194897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264048722 + ... + 264048725.

It is an arithmetic number, because the mean of its divisors is an integer number (396073086).

Almost surely, 2^1056194894 is an apocalyptic number.

1056194894 is a deficient number, since it is larger than the sum of its proper divisors (528097450).

1056194894 is an equidigital number, since it uses as much as digits as its factorization.

1056194894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 528097449.

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 1056194894 is about 32499.1522043268. The cubic root of 1056194894 is about 1018.3913172211.

The spelling of 1056194894 in words is "one billion, fifty-six million, one hundred ninety-four thousand, eight hundred ninety-four".