1153420 has 24 divisors (see below), whose sum is σ = 2450448. Its totient is φ = 456000.

The previous prime is 1153393. The next prime is 1153421. The reversal of 1153420 is 243511.

It is a junction number, because it is equal to n+sod(n) for n = 1153394 and 1153403.

It is not an unprimeable number, because it can be changed into a prime (1153421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1735 + ... + 2305.

It is an arithmetic number, because the mean of its divisors is an integer number (102102).

2^1153420 is an apocalyptic number.

1153420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1153420 is an abundant number, since it is smaller than the sum of its proper divisors (1297028).

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

1153420 is a wasteful number, since it uses less digits than its factorization.

1153420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 679 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 1153420 is about 1073.9739289201. The cubic root of 1153420 is about 104.8727104530.

Adding to 1153420 its reverse (243511), we get a palindrome (1396931).

Subtracting from 1153420 its reverse (243511), we obtain a palindrome (909909).

The spelling of 1153420 in words is "one million, one hundred fifty-three thousand, four hundred twenty".