1009772 has 6 divisors (see below), whose sum is σ = 1767108. Its totient is φ = 504884.

The previous prime is 1009747. The next prime is 1009781. The reversal of 1009772 is 2779001.

1009772 = T₂₇₈ + T₂₇₉ + ... + T₃₀₁.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126218 + ... + 126225.

It is an arithmetic number, because the mean of its divisors is an integer number (294518).

2^1009772 is an apocalyptic number.

It is an amenable number.

1009772 is a deficient number, since it is larger than the sum of its proper divisors (757336).

1009772 is a wasteful number, since it uses less digits than its factorization.

1009772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252447 (or 252445 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 1009772 is about 1004.8741214699. The cubic root of 1009772 is about 100.3246780342.

The spelling of 1009772 in words is "one million, nine thousand, seven hundred seventy-two".