1150420 has 24 divisors (see below), whose sum is σ = 2444904. Its totient is φ = 454656.

The previous prime is 1150417. The next prime is 1150421. The reversal of 1150420 is 240511.

It can be written as a sum of positive squares in 4 ways, for example, as 138384 + 1012036 = 372^2 + 1006^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1150420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1150421) 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, 1644 + ... + 2236.

It is an arithmetic number, because the mean of its divisors is an integer number (101871).

2^1150420 is an apocalyptic number.

1150420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1150420 is an abundant number, since it is smaller than the sum of its proper divisors (1294484).

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

1150420 is a wasteful number, since it uses less digits than its factorization.

1150420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 1150420 is about 1072.5763376096. The cubic root of 1150420 is about 104.7817082463.

Adding to 1150420 its reverse (240511), we get a palindrome (1390931).

Subtracting from 1150420 its reverse (240511), we obtain a palindrome (909909).

The spelling of 1150420 in words is "one million, one hundred fifty thousand, four hundred twenty".