1961170 has 8 divisors (see below), whose sum is σ = 3530124. Its totient is φ = 784464.

The previous prime is 1961147. The next prime is 1961173. The reversal of 1961170 is 711691.

It can be written as a sum of positive squares in 2 ways, for example, as 1957201 + 3969 = 1399^2 + 63^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1961173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98049 + ... + 98068.

2^1961170 is an apocalyptic number.

1961170 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1961170 is a deficient number, since it is larger than the sum of its proper divisors (1568954).

1961170 is a wasteful number, since it uses less digits than its factorization.

1961170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196124.

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 1961170 is about 1400.4177948027. The cubic root of 1961170 is about 125.1713915587.

The spelling of 1961170 in words is "one million, nine hundred sixty-one thousand, one hundred seventy".