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121232 = 247577
BaseRepresentation
bin11101100110010000
320011022002
4131212100
512334412
62333132
71013306
oct354620
9204262
10121232
11830a1
125a1a8
1343247
1432276
1525dc2
hex1d990

121232 has 10 divisors (see below), whose sum is σ = 234918. Its totient is φ = 60608.

The previous prime is 121229. The next prime is 121259. The reversal of 121232 is 232121.

It is a happy number.

121232 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It can be written as a sum of positive squares in only one way, i.e., 65536 + 55696 = 256^2 + 236^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3773 + ... + 3804.

2121232 is an apocalyptic number.

It is an amenable number.

121232 is a deficient number, since it is larger than the sum of its proper divisors (113686).

121232 is an equidigital number, since it uses as much as digits as its factorization.

121232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7585 (or 7579 counting only the distinct ones).

The product of its digits is 24, while the sum is 11.

The square root of 121232 is about 348.1838594766. The cubic root of 121232 is about 49.4924656083.

Adding to 121232 its reverse (232121), we get a palindrome (353353).

Subtracting 121232 from its reverse (232121), we obtain a square (110889 = 3332).

It can be divided in two parts, 121 and 232, that added together give a palindrome (353).

The spelling of 121232 in words is "one hundred twenty-one thousand, two hundred thirty-two".

Divisors: 1 2 4 8 16 7577 15154 30308 60616 121232