1056146878 has 8 divisors (see below), whose sum is σ = 1584813672. Its totient is φ = 527875656.

The previous prime is 1056146873. The next prime is 1056146899. The reversal of 1056146878 is 8786416501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1056146878² = 2230892455818293768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056146873) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92125 + ... + 102952.

It is an arithmetic number, because the mean of its divisors is an integer number (198101709).

Almost surely, 2^1056146878 is an apocalyptic number.

1056146878 is a deficient number, since it is larger than the sum of its proper divisors (528666794).

1056146878 is a wasteful number, since it uses less digits than its factorization.

1056146878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197786.

The product of its (nonzero) digits is 322560, while the sum is 46.

The square root of 1056146878 is about 32498.4134689680. The cubic root of 1056146878 is about 1018.3758845206.

The spelling of 1056146878 in words is "one billion, fifty-six million, one hundred forty-six thousand, eight hundred seventy-eight".