1140671 has 6 divisors (see below), whose sum is σ = 1326960. Its totient is φ = 977676.

The previous prime is 1140637. The next prime is 1140677. The reversal of 1140671 is 1760411.

It is a de Polignac number, because none of the positive numbers 2^k-1140671 is a prime.

It is a super-2 number, since 2×1140671² = 2602260660482, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140677) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11591 + ... + 11688.

It is an arithmetic number, because the mean of its divisors is an integer number (221160).

2^1140671 is an apocalyptic number.

1140671 is a deficient number, since it is larger than the sum of its proper divisors (186289).

1140671 is an equidigital number, since it uses as much as digits as its factorization.

1140671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23293 (or 23286 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 1140671 is about 1068.0220035187. The cubic root of 1140671 is about 104.4848844540.

The spelling of 1140671 in words is "one million, one hundred forty thousand, six hundred seventy-one".