1121471 has 8 divisors (see below), whose sum is σ = 1215984. Its totient is φ = 1028160.

The previous prime is 1121453. The next prime is 1121509. The reversal of 1121471 is 1741211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1121471 is a prime.

It is a super-3 number, since 3×1121471³ = 4231412822666310333, which contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121431) 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, 3500 + ... + 3806.

It is an arithmetic number, because the mean of its divisors is an integer number (151998).

2^1121471 is an apocalyptic number.

1121471 is a deficient number, since it is larger than the sum of its proper divisors (94513).

1121471 is a wasteful number, since it uses less digits than its factorization.

1121471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601.

The product of its digits is 56, while the sum is 17.

The square root of 1121471 is about 1058.9952785542. The cubic root of 1121471 is about 103.8953273781.

Adding to 1121471 its reverse (1741211), we get a palindrome (2862682).

The spelling of 1121471 in words is "one million, one hundred twenty-one thousand, four hundred seventy-one".