1040109961 has 8 divisors (see below), whose sum is σ = 1135338048. Its totient is φ = 944994000.

The previous prime is 1040109949. The next prime is 1040109977. The reversal of 1040109961 is 1699010401.

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

It is a cyclic number.

It is not a de Polignac number, because 1040109961 - 2²⁷ = 905892233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1040109461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8005 + ... + 46306.

It is an arithmetic number, because the mean of its divisors is an integer number (141917256).

Almost surely, 2^1040109961 is an apocalyptic number.

1040109961 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1040109961 is a deficient number, since it is larger than the sum of its proper divisors (95228087).

1040109961 is a wasteful number, since it uses less digits than its factorization.

1040109961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56063.

The product of its (nonzero) digits is 1944, while the sum is 31.

The square root of 1040109961 is about 32250.7358210631. The cubic root of 1040109961 is about 1013.1951102609.

The spelling of 1040109961 in words is "one billion, forty million, one hundred nine thousand, nine hundred sixty-one".