1042643607 has 8 divisors (see below), whose sum is σ = 1391470080. Its totient is φ = 694456440.

The previous prime is 1042643557. The next prime is 1042643617. The reversal of 1042643607 is 7063462401.

It is a happy number.

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

It is not a de Polignac number, because 1042643607 - 2⁷ = 1042643479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1042643617) 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, 156007 + ... + 162552.

It is an arithmetic number, because the mean of its divisors is an integer number (173933760).

Almost surely, 2^1042643607 is an apocalyptic number.

1042643607 is a deficient number, since it is larger than the sum of its proper divisors (348826473).

1042643607 is a wasteful number, since it uses less digits than its factorization.

1042643607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319653.

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 1042643607 is about 32289.9923660567. The cubic root of 1042643607 is about 1014.0171374934.

The spelling of 1042643607 in words is "one billion, forty-two million, six hundred forty-three thousand, six hundred seven".