1055985146 has 4 divisors (see below), whose sum is σ = 1583977722. Its totient is φ = 527992572.

The previous prime is 1055985103. The next prime is 1055985157. The reversal of 1055985146 is 6415895501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6415895501 = 31 ⋅206964371.

It can be written as a sum of positive squares in only one way, i.e., 846169921 + 209815225 = 29089^2 + 14485^2 .

It is a super-2 number, since 2×1055985146² = 2230209257145282632, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1055985097 and 1055985106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263996285 + ... + 263996288.

Almost surely, 2^1055985146 is an apocalyptic number.

1055985146 is a deficient number, since it is larger than the sum of its proper divisors (527992576).

1055985146 is an equidigital number, since it uses as much as digits as its factorization.

1055985146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527992575.

The product of its (nonzero) digits is 216000, while the sum is 44.

The square root of 1055985146 is about 32495.9250676142. The cubic root of 1055985146 is about 1018.3238992081.

The spelling of 1055985146 in words is "one billion, fifty-five million, nine hundred eighty-five thousand, one hundred forty-six".