1149015 has 32 divisors (see below), whose sum is σ = 2174976. Its totient is φ = 506880.

The previous prime is 1149007. The next prime is 1149017. The reversal of 1149015 is 5109411.

It is not a de Polignac number, because 1149015 - 2³ = 1149007 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 1148982 and 1149000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1149017) 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, 3079 + ... + 3431.

It is an arithmetic number, because the mean of its divisors is an integer number (67968).

2^1149015 is an apocalyptic number.

1149015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1149015 is a deficient number, since it is larger than the sum of its proper divisors (1025961).

1149015 is a wasteful number, since it uses less digits than its factorization.

1149015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399.

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 1149015 is about 1071.9211724749. The cubic root of 1149015 is about 104.7390344770.

The spelling of 1149015 in words is "one million, one hundred forty-nine thousand, fifteen".