1057469827 has 8 divisors (see below), whose sum is σ = 1130361120. Its totient is φ = 986821440.

The previous prime is 1057469813. The next prime is 1057469843. The reversal of 1057469827 is 7289647501.

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

It is a de Polignac number, because none of the positive numbers 2^k-1057469827 is a prime.

It is a super-2 number, since 2×1057469827² = 2236484870030819858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1057469807) 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 7 ways as a sum of consecutive naturals, for example, 559752 + ... + 561637.

It is an arithmetic number, because the mean of its divisors is an integer number (141295140).

Almost surely, 2^1057469827 is an apocalyptic number.

1057469827 is a deficient number, since it is larger than the sum of its proper divisors (72891293).

1057469827 is a wasteful number, since it uses less digits than its factorization.

1057469827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121453.

The product of its (nonzero) digits is 846720, while the sum is 49.

The square root of 1057469827 is about 32518.7611541399. The cubic root of 1057469827 is about 1018.8009192209.

The spelling of 1057469827 in words is "one billion, fifty-seven million, four hundred sixty-nine thousand, eight hundred twenty-seven".