1961075 has 12 divisors (see below), whose sum is σ = 2484960. Its totient is φ = 1534560.

The previous prime is 1961059. The next prime is 1961077. The reversal of 1961075 is 5701691.

It is a happy number.

It is not a de Polignac number, because 1961075 - 2⁴ = 1961059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1961077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 341 + ... + 2009.

It is an arithmetic number, because the mean of its divisors is an integer number (207080).

2^1961075 is an apocalyptic number.

1961075 is a deficient number, since it is larger than the sum of its proper divisors (523885).

1961075 is a wasteful number, since it uses less digits than its factorization.

1961075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726 (or 1721 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 1961075 is about 1400.3838759426. The cubic root of 1961075 is about 125.1693704057.

The spelling of 1961075 in words is "one million, nine hundred sixty-one thousand, seventy-five".