1180263 has 32 divisors (see below), whose sum is σ = 1945600. Its totient is φ = 635040.

The previous prime is 1180253. The next prime is 1180279. The reversal of 1180263 is 3620811.

It is not a de Polignac number, because 1180263 - 2⁴ = 1180247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

1180263 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1180243) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31881 + ... + 31917.

It is an arithmetic number, because the mean of its divisors is an integer number (60800).

2^1180263 is an apocalyptic number.

1180263 is a deficient number, since it is larger than the sum of its proper divisors (765337).

1180263 is an equidigital number, since it uses as much as digits as its factorization.

1180263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1180263 is about 1086.3990979378. The cubic root of 1180263 is about 105.6800307290.

The spelling of 1180263 in words is "one million, one hundred eighty thousand, two hundred sixty-three".