1961020041 has 8 divisors (see below), whose sum is σ = 2699038464. Its totient is φ = 1265174160.

The previous prime is 1961020003. The next prime is 1961020067. The reversal of 1961020041 is 1400201691.

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

It is not a de Polignac number, because 1961020041 - 2⁷ = 1961019913 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1961019993 and 1961020020.

It is not an unprimeable number, because it can be changed into a prime (1961020241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10543026 + ... + 10543211.

It is an arithmetic number, because the mean of its divisors is an integer number (337379808).

Almost surely, 2^1961020041 is an apocalyptic number.

It is an amenable number.

1961020041 is a deficient number, since it is larger than the sum of its proper divisors (738018423).

1961020041 is a wasteful number, since it uses less digits than its factorization.

1961020041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21086271.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 1961020041 is about 44283.4059326967. The cubic root of 1961020041 is about 1251.6820110692.

The spelling of 1961020041 in words is "one billion, nine hundred sixty-one million, twenty thousand, forty-one".