1961107 has 2 divisors, whose sum is σ = 1961108. Its totient is φ = 1961106.

The previous prime is 1961093. The next prime is 1961129. The reversal of 1961107 is 7011691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1961107 - 2⁷ = 1960979 is a prime.

It is a zygodrome in base 6.

It is not a weakly prime, because it can be changed into another prime (1961147) 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 as a sum of consecutive naturals, namely, 980553 + 980554.

It is an arithmetic number, because the mean of its divisors is an integer number (980554).

2^1961107 is an apocalyptic number.

1961107 is a deficient number, since it is larger than the sum of its proper divisors (1).

1961107 is an equidigital number, since it uses as much as digits as its factorization.

1961107 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1961107 is about 1400.3953013346. The cubic root of 1961107 is about 125.1700512224.

Adding to 1961107 its reverse (7011691), we get a palindrome (8972798).

The spelling of 1961107 in words is "one million, nine hundred sixty-one thousand, one hundred seven".