1155413 has 4 divisors (see below), whose sum is σ = 1320480. Its totient is φ = 990348.

The previous prime is 1155403. The next prime is 1155419. The reversal of 1155413 is 3145511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1155413 - 2¹² = 1151317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1155419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82523 + ... + 82536.

It is an arithmetic number, because the mean of its divisors is an integer number (330120).

2^1155413 is an apocalyptic number.

It is an amenable number.

1155413 is a deficient number, since it is larger than the sum of its proper divisors (165067).

1155413 is an equidigital number, since it uses as much as digits as its factorization.

1155413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165066.

The product of its digits is 300, while the sum is 20.

The square root of 1155413 is about 1074.9013908262. The cubic root of 1155413 is about 104.9330790506.

The spelling of 1155413 in words is "one million, one hundred fifty-five thousand, four hundred thirteen".