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BaseRepresentation
bin1100001100000…
…01111100011011
321010101112120101
412012001330123
5202133302443
614051240231
72351026552
oct606017433
9233345511
10102244123
1152794583
122a2a9077
131824b0a7
14d816d99
158e9984d
hex6181f1b

102244123 has 4 divisors (see below), whose sum is σ = 102264448. Its totient is φ = 102223800.

The previous prime is 102244117. The next prime is 102244127. The reversal of 102244123 is 321442201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 321442201 = 3071047043.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102244123 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102244123.

It is not an unprimeable number, because it can be changed into a prime (102244127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3565 + ... + 14737.

It is an arithmetic number, because the mean of its divisors is an integer number (25566112).

Almost surely, 2102244123 is an apocalyptic number.

102244123 is a deficient number, since it is larger than the sum of its proper divisors (20325).

102244123 is an equidigital number, since it uses as much as digits as its factorization.

102244123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20324.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 102244123 is about 10111.5836049553. The cubic root of 102244123 is about 467.6053284366.

Adding to 102244123 its reverse (321442201), we get a palindrome (423686324).

The spelling of 102244123 in words is "one hundred two million, two hundred forty-four thousand, one hundred twenty-three".

Divisors: 1 9151 11173 102244123