1163427 has 8 divisors (see below), whose sum is σ = 1632960. Its totient is φ = 734760.

The previous prime is 1163423. The next prime is 1163431. The reversal of 1163427 is 7243611.

It is an interprime number because it is at equal distance from previous prime (1163423) and next prime (1163431).

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

It is not a de Polignac number, because 1163427 - 2² = 1163423 is a prime.

1163427 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1163397 and 1163406.

It is not an unprimeable number, because it can be changed into a prime (1163423) 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, 10149 + ... + 10262.

It is an arithmetic number, because the mean of its divisors is an integer number (204120).

2^1163427 is an apocalyptic number.

1163427 is a deficient number, since it is larger than the sum of its proper divisors (469533).

1163427 is a wasteful number, since it uses less digits than its factorization.

1163427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20433.

The product of its digits is 1008, while the sum is 24.

The square root of 1163427 is about 1078.6227329331. The cubic root of 1163427 is about 105.1751272478.

The spelling of 1163427 in words is "one million, one hundred sixty-three thousand, four hundred twenty-seven".