1040670671 has 4 divisors (see below), whose sum is σ = 1041070344. Its totient is φ = 1040271000.

The previous prime is 1040670667. The next prime is 1040670689. The reversal of 1040670671 is 1760760401.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1040670671 - 2² = 1040670667 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040670271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195905 + ... + 201146.

It is an arithmetic number, because the mean of its divisors is an integer number (260267586).

Almost surely, 2^1040670671 is an apocalyptic number.

1040670671 is a deficient number, since it is larger than the sum of its proper divisors (399673).

1040670671 is an equidigital number, since it uses as much as digits as its factorization.

1040670671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399672.

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 1040670671 is about 32259.4276297643. The cubic root of 1040670671 is about 1013.3771444032.

The spelling of 1040670671 in words is "one billion, forty million, six hundred seventy thousand, six hundred seventy-one".