1153406 has 4 divisors (see below), whose sum is σ = 1730112. Its totient is φ = 576702.

The previous prime is 1153393. The next prime is 1153421. The reversal of 1153406 is 6043511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6043511 = 541 ⋅11171.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 288350 + ... + 288353.

It is an arithmetic number, because the mean of its divisors is an integer number (432528).

2^1153406 is an apocalyptic number.

1153406 is a deficient number, since it is larger than the sum of its proper divisors (576706).

1153406 is an equidigital number, since it uses as much as digits as its factorization.

1153406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576705.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1153406 is about 1073.9674110512. The cubic root of 1153406 is about 104.8722861428.

Adding to 1153406 its reverse (6043511), we get a palindrome (7196917).

The spelling of 1153406 in words is "one million, one hundred fifty-three thousand, four hundred six".