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121093 = 717299
BaseRepresentation
bin11101100100000101
320011002221
4131210011
512333333
62332341
71013020
oct354405
9204087
10121093
1182a85
125a0b1
134316b
14321b7
1525d2d
hex1d905

121093 has 4 divisors (see below), whose sum is σ = 138400. Its totient is φ = 103788.

The previous prime is 121081. The next prime is 121123. The reversal of 121093 is 390121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 390121 = 3671063.

It is a cyclic number.

It is not a de Polignac number, because 121093 - 25 = 121061 is a prime.

It is a Duffinian number.

It is a plaindrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8643 + ... + 8656.

It is an arithmetic number, because the mean of its divisors is an integer number (34600).

2121093 is an apocalyptic number.

It is an amenable number.

121093 is a deficient number, since it is larger than the sum of its proper divisors (17307).

121093 is an equidigital number, since it uses as much as digits as its factorization.

121093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17306.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 121093 is about 347.9841950434. The cubic root of 121093 is about 49.4735429817.

The spelling of 121093 in words is "one hundred twenty-one thousand, ninety-three".

Divisors: 1 7 17299 121093