1115481 has 8 divisors (see below), whose sum is σ = 1508544. Its totient is φ = 733040.

The previous prime is 1115467. The next prime is 1115497. The reversal of 1115481 is 1845111.

It is a happy number.

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 1115481 - 2⁵ = 1115449 is a prime.

It is a super-2 number, since 2×1115481² = 2488595722722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1115381) 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, 2406 + ... + 2831.

It is an arithmetic number, because the mean of its divisors is an integer number (188568).

2^1115481 is an apocalyptic number.

It is an amenable number.

1115481 is a deficient number, since it is larger than the sum of its proper divisors (393063).

1115481 is an equidigital number, since it uses as much as digits as its factorization.

1115481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5311.

The product of its digits is 160, while the sum is 21.

The square root of 1115481 is about 1056.1633396402. The cubic root of 1115481 is about 103.7100218546.

It can be divided in two parts, 1115 and 481, that added together give a triangular number (1596 = T₅₆).

The spelling of 1115481 in words is "one million, one hundred fifteen thousand, four hundred eighty-one".