1240771 has 8 divisors (see below), whose sum is σ = 1428320. Its totient is φ = 1055808.

The previous prime is 1240769. The next prime is 1240777. The reversal of 1240771 is 1770421.

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 1240771 - 2¹ = 1240769 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (1240777) 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, 535 + ... + 1663.

It is an arithmetic number, because the mean of its divisors is an integer number (178540).

2^1240771 is an apocalyptic number.

1240771 is a deficient number, since it is larger than the sum of its proper divisors (187549).

1240771 is a wasteful number, since it uses less digits than its factorization.

1240771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 1240771 is about 1113.8990079895. The cubic root of 1240771 is about 107.4559689878.

The spelling of 1240771 in words is "one million, two hundred forty thousand, seven hundred seventy-one".