1042346661 has 8 divisors (see below), whose sum is σ = 1392934560. Its totient is φ = 693328272.

The previous prime is 1042346651. The next prime is 1042346663. The reversal of 1042346661 is 1666432401.

1042346661 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1042346661 - 2⁷ = 1042346533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042346663) 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, 390826 + ... + 393483.

It is an arithmetic number, because the mean of its divisors is an integer number (174116820).

Almost surely, 2^1042346661 is an apocalyptic number.

It is an amenable number.

1042346661 is a deficient number, since it is larger than the sum of its proper divisors (350587899).

1042346661 is an equidigital number, since it uses as much as digits as its factorization.

1042346661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784755.

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 1042346661 is about 32285.3939266660. The cubic root of 1042346661 is about 1013.9208639695.

The spelling of 1042346661 in words is "one billion, forty-two million, three hundred forty-six thousand, six hundred sixty-one".