1145015 has 4 divisors (see below), whose sum is σ = 1374024. Its totient is φ = 916008.

The previous prime is 1145003. The next prime is 1145021. The reversal of 1145015 is 5105411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5105411 = 347 ⋅14713.

It is a cyclic number.

It is not a de Polignac number, because 1145015 - 2⁶ = 1144951 is a prime.

It is a super-2 number, since 2×1145015² = 2622118700450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1144984 and 1145002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114497 + ... + 114506.

It is an arithmetic number, because the mean of its divisors is an integer number (343506).

2^1145015 is an apocalyptic number.

1145015 is a deficient number, since it is larger than the sum of its proper divisors (229009).

1145015 is an equidigital number, since it uses as much as digits as its factorization.

1145015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229008.

The product of its (nonzero) digits is 100, while the sum is 17.

The square root of 1145015 is about 1070.0537369684. The cubic root of 1145015 is about 104.6173525021.

The spelling of 1145015 in words is "one million, one hundred forty-five thousand, fifteen".