1153506 has 8 divisors (see below), whose sum is σ = 2307024. Its totient is φ = 384500.

The previous prime is 1153487. The next prime is 1153511. The reversal of 1153506 is 6053511.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1153506 is an admirable 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, 96120 + ... + 96131.

It is an arithmetic number, because the mean of its divisors is an integer number (288378).

2^1153506 is an apocalyptic number.

1153506 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1153506 is a wasteful number, since it uses less digits than its factorization.

1153506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192256.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 1153506 is about 1074.0139663896. The cubic root of 1153506 is about 104.8753168551.

The spelling of 1153506 in words is "one million, one hundred fifty-three thousand, five hundred six".