1061650 has 24 divisors (see below), whose sum is σ = 2092500. Its totient is φ = 399360.

The previous prime is 1061647. The next prime is 1061651. The reversal of 1061650 is 561601.

It can be written as a sum of positive squares in 6 ways, for example, as 488601 + 573049 = 699^2 + 757^2 .

It is a super-2 number, since 2×1061650² = 2254201445000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1061651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 226 + ... + 1474.

2^1061650 is an apocalyptic number.

1061650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1061650 is a deficient number, since it is larger than the sum of its proper divisors (1030850).

1061650 is a wasteful number, since it uses less digits than its factorization.

1061650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278 (or 1273 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 1061650 is about 1030.3640133467. The cubic root of 1061650 is about 102.0141592544.

It can be divided in two parts, 1061 and 650, that added together give a triangular number (1711 = T₅₈).

The spelling of 1061650 in words is "one million, sixty-one thousand, six hundred fifty".