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121214 = 260607
BaseRepresentation
bin11101100101111110
320011021102
4131211332
512334324
62333102
71013252
oct354576
9204242
10121214
1183085
125a192
1343232
1432262
1525dae
hex1d97e

121214 has 4 divisors (see below), whose sum is σ = 181824. Its totient is φ = 60606.

The previous prime is 121189. The next prime is 121229. The reversal of 121214 is 412121.

121214 is an esthetic number in base 13, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 412121 = 2631567.

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

It is a junction number, because it is equal to n+sod(n) for n = 121195 and 121204.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 121214.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30302 + ... + 30305.

It is an arithmetic number, because the mean of its divisors is an integer number (45456).

2121214 is an apocalyptic number.

121214 is a deficient number, since it is larger than the sum of its proper divisors (60610).

121214 is an equidigital number, since it uses as much as digits as its factorization.

121214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60609.

The product of its digits is 16, while the sum is 11.

The square root of 121214 is about 348.1580101046. The cubic root of 121214 is about 49.4900160118.

Adding to 121214 its reverse (412121), we get a palindrome (533335).

It can be divided in two parts, 12121 and 4, that multiplied together give a palindrome (48484).

The spelling of 121214 in words is "one hundred twenty-one thousand, two hundred fourteen", and thus it is an iban number.

Divisors: 1 2 60607 121214